Bump docker/build-push-action version

Author: jmakar-s1

.github/workflows/main.yaml

@@ -48,7 +48,7 @@ jobs:
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Build Docker Image
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v6
         with:
           # set push to true when a tag is created
           push: ${{ startsWith(github.ref, 'refs/tags/v') }}