Bust dependency cache to fix pkg.lock error

Increment cache-version to force fresh dependency installation and
resolve pkg.lock file access errors on macOS.

Author: Brandon Greenwell

.github/workflows/R-CMD-check.yaml

@@ -58,6 +58,7 @@ jobs:
         with:
           extra-packages: any::rcmdcheck
           needs: check
+          cache-version: 2
 
       - uses: r-lib/actions/check-r-package@v2
         with: