Updates the actions used in the workflows (github-actions manager).
No automerge: there is no build to gate an update, and main only
reaches consumers when the vN tag is moved after a live test.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_011AgnQS6MHAGGoLNQDvv52d