fix: Use 'rsync -a' instead of 'cp -Rf' to avoid exiting 1 on 'src and dest are identical (not copied)'

Author: smockle

.github/actions/gh-cache/cache/action.yml

@@ -29,7 +29,7 @@ runs:
       shell: bash
       run: |
         mkdir -p /home/runner/work/_actions/current/.github/actions
-        cp -Rf ../../../../.github/actions/* /home/runner/work/_actions/current/.github/actions
+        rsync -a ../../../../.github/actions/ /home/runner/work/_actions/current/.github/actions/
         ls -ltra /home/runner/work/_actions/current/.github/actions
     - name: Restore cached value
       uses: ./../../_actions/current/.github/actions/gh-cache/restore

action.yml

@@ -45,7 +45,7 @@ runs:
       shell: bash
       run: |
         mkdir -p /home/runner/work/_actions/current/.github/actions
-        cp -Rf .github/actions/* /home/runner/work/_actions/current/.github/actions
+        rsync -a .github/actions/ /home/runner/work/_actions/current/.github/actions/
         ls -ltra /home/runner/work/_actions/current/.github/actions
     - name: Restore cached results
       id: restore