feat: Add alerts for system administrators in Grafana

[MoritzWeber0]

Add Grafana alerts for:

• A session is not in ready state for at least 10 minutes
• A job has failed (e.g. a nightly T4C > Git backup)

The Loki and Prometheus datasources have been renamed to Loki (Capella Collaboration Manager) and Prometheus (Capella Collaboration Manager). The UID of the Prometheus datasource is now set to prometheus_ccm and referenced from the dashboards accordingly.

Please note that the old data sources might not be deleted automatically. In this case, you can delete them manually.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 80.63%. Comparing base (92041c3) to head (c0f6490). Report is 306 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1661 +/- ## ========================================== - Coverage 80.64% 80.63% -0.01% ========================================== Files 185 185 Lines 6090 6098 +8 Branches 678 682 +4 ========================================== + Hits 4911 4917 +6 - Misses 1030 1032 +2 Partials 149 149 ```

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[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud