CI: Update Grafana versions

[amotl]

• CI: Update Grafana versions to 10.4.19, 11.5.10, 11.6.12, 12.3.4

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📥 Commits

Reviewing files that changed from the base of the PR and between ef4861d and e402488.

📒 Files selected for processing (1)

• .github/workflows/tests.yml

Walkthrough

Updates Grafana version matrix in CI workflow from versions 10.4.17, 11.5.8, 11.6.5, and 12.1.1 to 10.4.19, 11.5.10, 11.6.12, and 12.3.4 respectively, while adding 12.4.0. Adds changelog entry documenting Grafana compatibility validation.

Changes

Cohort / File(s)	Summary
CI Workflow Version Updates .github/workflows/tests.yml	Updated Grafana version matrix entries: bumped patch versions (10.4.17→10.4.19, 11.5.8→11.5.10, 11.6.5→11.6.12, 12.1.1→12.3.4) and added 12.4.0.
Changelog Documentation CHANGES.rst	Added changelog entry noting validated compatibility with Grafana >= 12.4 in the "in progress" section.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• Support for Grafana >=11.6.x and 12.x #199: Modifies the same CI workflow Grafana version matrix, updating/adding version entries for test compatibility.

Poem

🐰 Hops with glee through version trees,
Testing Grafana with such ease,
Twelve-point-four now in the fold,
Updates keep the code from growing old! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: updating Grafana versions in the CI workflow, which is the primary focus of the changeset.
Description check	✅ Passed	The description is directly related to the changeset, providing specific Grafana version updates and noting the validation for compatibility with Grafana >= 12.4.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch update-grafana-2026-02

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.67%. Comparing base (ef4861d) to head (83c0510).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #215   +/-   ##
=======================================
  Coverage   84.67%   84.67%           
=======================================
  Files           9        9           
  Lines        1155     1155           
=======================================
  Hits          978      978           
  Misses        177      177           

Flag	Coverage Δ
unittests	84.67% <ø> (ø)

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[amotl]

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[amotl]

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