Update build-images.yaml

.github/workflows/build-images.yaml

@@ -54,7 +54,7 @@ jobs:
         run: |
           if [ -z $VERSION ]; then
             VERSION=$(curl -s https://omahaproxy.appspot.com/all.json | jq '.[] | select(.os | contains("win64")) | .versions[] | select(.channel | contains("stable")) | .current_version')
-            echo "BRANCH=$BRANCH" >> $GITHUB_ENV
+            echo "VERSION=$VERSION" >> $GITHUB_ENV
           fi
           
       - name: Building build-deps container ${{ env.VERSION }}