Bump opentelemetry-api from 1.27.0 to 1.28.1

Bumps [opentelemetry-api](https://github.com/open-telemetry/opentelemetry-python) from 1.27.0 to 1.28.1.
- [Release notes](https://github.com/open-telemetry/opentelemetry-python/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-python/blob/v1.28.1/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-python@v1.27.0...v1.28.1)

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

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

requirements.txt

@@ -230,7 +230,7 @@ numpy==2.1.2
     #   zhinst-timing-models
     #   zhinst-toolkit
     #   zhinst-utils
-opentelemetry-api==1.27.0
+opentelemetry-api==1.28.1
     # via
     #   qcodes (pyproject.toml)
     #   qcodes