🔼 Updated Github docker workflow to v4

.github/workflows/docker-image.yml

@@ -10,9 +10,9 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@v4
     - name: Publish to Registry
-      uses: elgohr/Publish-Docker-Github-Action@master
+      uses: elgohr/Publish-Docker-Github-Action@v4
       with:
         name: frishi/threetwo
         username: ${{ secrets.DOCKER_USERNAME }}