build(deps-dev): bump importlib-metadata from 8.5.0 to 8.6.1

Bumps [importlib-metadata](https://github.com/python/importlib_metadata) from 8.5.0 to 8.6.1.
- [Release notes](https://github.com/python/importlib_metadata/releases)
- [Changelog](https://github.com/python/importlib_metadata/blob/main/NEWS.rst)
- [Commits](python/importlib_metadata@v8.5.0...v8.6.1)

---
updated-dependencies:
- dependency-name: importlib-metadata
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

dev-requirements.txt

@@ -30,7 +30,7 @@ grpcio==1.69.0
     #   oteltest
 idna==3.10
     # via requests
-importlib-metadata==8.5.0
+importlib-metadata==8.6.1
     # via opentelemetry-api
 iniconfig==2.0.0
     # via pytest