fix: tag env var

Author: SergioRibera

.github/workflows/docker.yml

@@ -47,5 +47,5 @@ jobs:
         run: |
           IMAGE_NAME=${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
           IMAGE_TAG=${{ steps.meta.outputs.tags || inputs.tag }}
-          docker tag ${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }} $IMAGE_NAME:${{ env.IMAGE_TAG }}
+          docker tag ${{ env.IMAGE_NAME }}:$IMAGE_TAG $IMAGE_NAME:$IMAGE_TAG
           docker push $IMAGE_NAME:${{ env.IMAGE_TAG }}