Merge pull request #68 from py-pdf/dependabot/github_actions/actions/…

…cache-4

.github/workflows/tests.yml

@@ -98,7 +98,7 @@ jobs:
           print("::set-output name=result::{}".format(result))
 
       - name: Restore pre-commit cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         if: matrix.session == 'pre-commit'
         with:
           path: ~/.cache/pre-commit