Merge pull request #900 from mdujava/update_cache

Update github action version of cache job

Author: mdujava

.github/workflows/acceptance.yml

@@ -22,7 +22,7 @@ jobs:
         run: |
           echo "weeknum=$(/bin/date -u '+%g.%V')" >> $GITHUB_OUTPUT
         shell: bash
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.local/share/virtualenvs