GitHub is requiring a version update to actions/cache@v2 to v3 or v4 by Mar 1, 2025.  If not done tests will not run.

 Error: This request has been automatically failed because it uses a

                deprecated version of `actions/cache: v2`. Please update your workflow to

                use v3/v4 of actions/cache to avoid interruptions. Learn more:

https://github.blog/changelog/2024-12-05-notice-of-upcoming-releases-and-breaking-changes-for-github-actions/#actions-cache-v1-v2-and-actions-toolkit-cache-package-closing-down

The following branches will be updated

1.15.x
2.2.x
2.x
2.6.x