chore(deps): bump prometheus-api-client in /monitoring_flask_backend

Bumps [prometheus-api-client](https://github.com/4n4nd/prometheus-api-client-python) from 0.5.4 to 0.7.0.
- [Release notes](https://github.com/4n4nd/prometheus-api-client-python/releases)
- [Changelog](https://github.com/4n4nd/prometheus-api-client-python/blob/master/CHANGELOG.md)
- [Commits](4n4nd/prometheus-api-client-python@v0.5.4...v0.7.0)

---
updated-dependencies:
- dependency-name: prometheus-api-client
  dependency-version: 0.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

monitoring_flask_backend/requirements.txt

@@ -1,5 +1,5 @@
 Flask==3.1.3
-prometheus-api-client==0.5.4
+prometheus-api-client==0.7.0
 python-dateutil==2.9.0.post0
 gunicorn==25.1.0
 requests==2.33.0