build(deps): bump prometheus-client from 0.21.1 to 0.22.1

Bumps [prometheus-client](https://github.com/prometheus/client_python) from 0.21.1 to 0.22.1.
- [Release notes](https://github.com/prometheus/client_python/releases)
- [Commits](prometheus/client_python@v0.21.1...v0.22.1)

---
updated-dependencies:
- dependency-name: prometheus-client
  dependency-version: 0.22.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -19,7 +19,7 @@ packaging==24.0
 pandas==2.2.2
 pillow==10.3.0
 prometheus-api-client==0.6.0
-prometheus-client==0.21.1
+prometheus-client==0.22.1
 pydantic==1.10.22
 pydantic-yaml==0.11.2
 pyparsing==3.1.2