Fix step

.github/workflows/build-push-image.yml

@@ -30,10 +30,10 @@ jobs:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Export docker tag
+        run:  echo "IMAGE_TAG=${{ inputs.image-tag || `git describe --tags | sed 's/V//'` }}" >> $GITHUB_ENV
       - name: Build and push
         uses: docker/build-push-action@v5
-        env:
-          IMAGE_TAG: ${{ inputs.image-tag || `git describe --tags | sed 's/V//'` }}
         with:
           context: .
           platforms: linux/amd64,linux/arm64,windows/amd64