Merge pull request #54872 from software-mansion-labs/@wolewicki/fix-macos-not-found

[NoQA] fix: add macos-12 to labels for gh-actions-validate

Author: mountiny

Diff for: .github/actionlint.yaml

@@ -5,3 +5,4 @@ self-hosted-runner:
     - macos-13-large
     - macos-13-xlarge
     - ubuntu-latest-reassure-tests
+    - macos-12