Bump opentelemetry-proto from 1.36.0 to 1.38.0

Bumps [opentelemetry-proto](https://github.com/open-telemetry/opentelemetry-python) from 1.36.0 to 1.38.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-python/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-python/blob/main/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-python@v1.36.0...v1.38.0)

---
updated-dependencies:
- dependency-name: opentelemetry-proto
  dependency-version: 1.38.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -32,7 +32,7 @@ opentelemetry-instrumentation==0.57b0
 opentelemetry-instrumentation-aiohttp-client==0.57b0
 opentelemetry-instrumentation-requests==0.57b0
 opentelemetry-instrumentation-urllib==0.57b0
-opentelemetry-proto==1.36.0
+opentelemetry-proto==1.38.0
 opentelemetry-sdk==1.36.0
 opentelemetry-semantic-conventions==0.57b0
 opentelemetry-util-http==0.57b0