update workflow

[ph-fritsche]

What

• Upgrade actions
• Enable CI workflow on feature branches
• Cache node_modules
• Enable dry mode for release action per repository variable

Why

Actions used in workflow have been deprecated.

Installing dependencies on each workflow run slows down the workflow significantly – delaying feedback from tests.

Enabling the workflow on all branches (except all-contributors/**) allows to use our CI to test reproductions without opening a PR.

Batching multiple PRs into one release reduces noise.
When merging into main this requires us to merge faster than CI reaches the release step.
Instead of changing the PR target branch to a staging branch, we can set the release action to dry run mode and sort out any merge conflicts. Then we can reactivate release and rerun the last action.

How

yarn.lock and node_modules are cached. If package.json is changed, a new cache will be created.
Cache/refresh prunes the caches daily and creates a fresh cache in main scope.
The fresh install can also be triggered per workflow_dispatch if needed.

Activate dry mode of release action by setting repository variable RELEASE_DRY to true.

Checklist

• Ready to be merged

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