Unable to resolve action `r-lib/actions@master`, unable to find version `master`

Unable to resolve action `r-lib/actions@master`, unable to find version `master`

Unable to resolve action `r-lib/actions@master`, unable to find version `master`

Your workflow is using a version of actions/cache that is scheduled for deprecation, actions/cache@v2. Please update your workflow to use the latest version of actions/cache to avoid interruptions. Learn more: https://github.blog/changelog/2024-09-16-notice-of-upcoming-deprecations-and-changes-in-github-actions-services/

Your workflow is using a version of actions/cache that is scheduled for deprecation, actions/cache@v2. Please update your workflow to use the latest version of actions/cache to avoid interruptions. Learn more: https://github.blog/changelog/2024-09-16-notice-of-upcoming-deprecations-and-changes-in-github-actions-services/

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636