errant `### Dependencies` sections at the top of a number of CHANGELOG.md files

[trentm]

As noticed in this PR review comment, a number of the CHANGELOG.md files in this repo have ### Dependencies section incorrectly at the top, instead of under a particular release '## ...' h2 section.

1. It was working up to and including: "chore: release main" (chore: release main #1590)
2. then starting with this release PR it started incorrectly adding that section: "chore: release main" (chore: release main #1683)
3. and continued for a number of releases, up to and including: "chore: release main" (chore: release main #1890)
4. until fixed by the time this release PR was made: "chore: release main" (chore: release main #1935)

That last range (i.e. when it was "fixed") included #1901. A guess is that this bump resolved the issue:

-      - uses: google-github-actions/release-please-action@v3
+      - uses: google-github-actions/release-please-action@v4

symptoms

It looks like this resulted in the h2 header not being added for packages that only had a "Dependencies" section for that release. E.g. there was no ## [1.3.2](...) section header added here: https://github.com/open-telemetry/opentelemetry-js-contrib/pull/1683/files#diff-40eb27dccbec82d0089702356abe45de22ff0b558e3668389a3d94782c8bc109

trying to see what release-please change resulted in the fix

... and failing.

Looking at the timing of #1890 and #1935, matching to the tags on release-please-action.git (v3.7.13...v4.0.2) and to the included release-please.git versions (v15.13.0..v16.5.0), nothing jumped out as an obviously related PR.

fixing

A quick fix would to just drop all those ### Dependencies sections and move on. It means that a number of older releases that only had deps updates will not have a changelog section.

A longer fix would be to work through each of the following PRs and recreate the ## [${version}] ... header for each package with an error and properly move that section down:

• 32204a3 - chore: release main (chore: release main #1890) (4 months ago)
• 9092823 - chore: release main (chore: release main #1855) (4 months ago)
• c7e7000 - chore: release main (chore: release main #1829) (5 months ago)
• a757b5e - chore: release main (chore: release main #1798) (6 months ago)
• 607d375 - chore: release main (chore: release main #1742) (6 months ago)
• 659d7ba - chore: release main (chore: release main #1737) (7 months ago)
• a8c225d - chore: release main (chore: release main #1683) (7 months ago)

[trentm]

In a separate PR (#2234) I'm migrating Markdown linting to markdownlint-cli2. This change means updating from a 4y old markdown-lint. The new npm run lint:markdown catches this errant ### Dependencies sections:

% npm run lint:markdown 2>&1 | rg MD001
detectors/node/opentelemetry-resource-detector-alibaba-cloud/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
detectors/node/opentelemetry-resource-detector-aws/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
detectors/node/opentelemetry-resource-detector-azure/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
detectors/node/opentelemetry-resource-detector-container/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
detectors/node/opentelemetry-resource-detector-gcp/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
detectors/node/opentelemetry-resource-detector-instana/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
metapackages/auto-instrumentations-node/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
metapackages/auto-instrumentations-web/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
packages/opentelemetry-propagation-utils/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/instrumentation-amqplib/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/instrumentation-lru-memoizer/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/instrumentation-mongoose/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/instrumentation-socket.io/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/instrumentation-tedious/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/opentelemetry-instrumentation-cassandra/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/opentelemetry-instrumentation-memcached/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/opentelemetry-instrumentation-mongodb/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/opentelemetry-instrumentation-mysql/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/opentelemetry-instrumentation-mysql2/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/opentelemetry-instrumentation-pg/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/opentelemetry-instrumentation-redis-4/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]
plugins/node/opentelemetry-instrumentation-redis/CHANGELOG.md:3 MD001/heading-increment Heading levels should only increment by one level at a time [Expected: h2; Actual: h3]

For now I may just remove all those errant sections in that markdownlint-cli2 PR. They can be re-added with correct version h2 headers for this issue if someone is so motivated.

[trentm]

4733ea4 is the PR commit that removes these sections.