chore(deps): update actions/checkout action to v5 (#3837)

Co-authored-by: homarr-renovate[bot] <158783068+homarr-renovate[bot]@users.noreply.github.com>

.github/workflows/update-contributors.yml

@@ -27,7 +27,7 @@ jobs:
           app_id: ${{ vars.HOMARR_UPDATE_CONTRIBUTORS_APP_ID }}
 
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         env:
           GITHUB_TOKEN: ${{ steps.obtainToken.outputs.token }}