Merge pull request #8 from tralph3/dependabot/github_actions/actions/…

…checkout-4

Bump actions/checkout from 2 to 4

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ jobs:
     - uses: purcell/setup-emacs@master
       with:
         version: 29.1
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Run tests
       run: |
         emacs -Q -batch -l ert -l conner.el -l conner-tests.el -f ert-run-tests-batch-and-exit