Merge pull request #55 from ether/dependabot/github_actions/actions/checkout-5

Bump actions/checkout from 2 to 5

Author: SamTV12345

.github/workflows/build.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
       - name: Build image
         run: |
           docker build -t ghcr.io/ether/etherpad-proxy:latest .