Bump aws4 from 1.11.0 to 1.12.0 (opensearch-project#406)

* Bump aws4 from 1.11.0 to 1.12.0

Bumps [aws4](https://github.com/mhart/aws4) from 1.11.0 to 1.12.0.
- [Release notes](https://github.com/mhart/aws4/releases)
- [Commits](mhart/aws4@v1.11.0...v1.12.0)

---
updated-dependencies:
- dependency-name: aws4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update changelog

Signed-off-by: dependabot[bot] <support@github.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: dependabot[bot] <dependabot[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -39,6 +39,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Bumps `simple-statistics` from 7.7.0 to 7.8.3
 - Bumps `dezalgo` from 1.0.3 to 1.0.4
 - Bumps `tsd` from 0.24.1 to 0.25.0
+- Bumps `aws4` from 1.11.0 to 1.12.0
 
 ### Dependencies
 ### Changed

yarn.lock

@@ -660,9 +660,9 @@ auto-bind@4.0.0:
   integrity sha512-Hdw8qdNiqdJ8LqT0iK0sVzkFbzg6fhnQqqfWhBDxcHZvU75+B+ayzTy8x+k5Ix0Y92XOhOUlx74ps+bA6BeYMQ==
 
 aws4@^1.11.0:
-  version "1.11.0"
-  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.11.0.tgz#d61f46d83b2519250e2784daf5b09479a8b41c59"
-  integrity sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA==
+  version "1.12.0"
+  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.12.0.tgz#ce1c9d143389679e253b314241ea9aa5cec980d3"
+  integrity sha512-NmWvPnx0F1SfrQbYwOi7OeaNGokp9XhzNioJ/CSBs8Qa4vxug81mhJEAVZwxXuBmYB5KDRfMq/F3RR0BIU7sWg==
 
 balanced-match@^1.0.0:
   version "1.0.2"