Add steps to publish Docker image as latest and versioned to GHCR

.github/workflows/dev_docker_image.yml

@@ -28,12 +28,16 @@ jobs:
         run: |
           docker build -t $image_name . -f docker/Dockerfile
 
-      - name: Publish Docker image to GHCR
-        if: startsWith(github.ref, 'refs/tags') || github.ref == 'refs/heads/master'
+      - name: Login to GHCR
+        run: docker login ghcr.io -u token -p "${{secrets.GITHUB_TOKEN}}"
+
+      - name: Publish Docker versioned image to GHCR
         run: |
-          docker login ghcr.io -u token -p "${{secrets.GITHUB_TOKEN}}"
           docker tag $image_name $image_name:$image_ver
           docker push $image_name:$image_ver
 
+      - name: Publish Docker image to GHCR as latest
+        if: startsWith(github.ref, 'refs/tags') || github.ref == 'refs/heads/master'
+        run: |
           docker tag $image_name $image_name:latest
           docker push $image_name:latest