fixed type in workflow

Author: ravishtiwari

.github/workflows/docker-publish.yml

@@ -49,14 +49,14 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Build image
-        run: docker build . --file Dockerfile --tag $IMAGE_NAME:${{ github.sha }}
+        run: docker build . --file Dockerfile --tag $IMAGE_NAME
 
       - name: Log into registry
         run: echo "${{ secrets.SECRET_GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin
 
       - name: Push image
         run: |
-            IMAGE_ID=docker.pkg.github.com/${{ github.repository }}/$IMAGE_NAME:${{ github.sha }}
+           IMAGE_ID=docker.pkg.github.com/${{ github.repository }}/$IMAGE_NAME
 
           # Change all uppercase to lowercase
           IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')