[chore] add a changelog entry to highlight changes in open-telemetry#…

…9759 Follow up to discussion in open-telemetry#9759 (comment) Signed-off-by: Alex Boten <223565+codeboten@users.noreply.github.com>
codeboten · Aug 21, 2024 · c1c04c2 · c1c04c2
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -13,6 +13,7 @@ If you are looking for developer-facing changes, check out [CHANGELOG-API.md](./
 
 - `service`: Remove OpenCensus bridge completely, mark feature gate as stable. (#10414)
 - `confmap`: Set the `confmap.unifyEnvVarExpansion` feature gate to Stable. Expansion of `$FOO` env vars is no longer supported.  Use `${FOO}` or `${env:FOO}` instead. (#10508)
+- `service`: Remove `otelcol` from Prometheus configuration. This means that any metric that isn't explicitly prefixed with `otelcol_` no longer have that prefix. (#9759)
 
 ### 💡 Enhancements 💡