Add CI for building and releasing index files

.github/workflows/install-index-release.yml

@@ -53,11 +53,6 @@ jobs:
           echo "TAG=$TAG" >> $GITHUB_ENV
           echo "RELEASE_URL=https://github.com/${GITHUB_REPOSITORY}/releases/${TAG}" >> $GITHUB_ENV
 
-      - name: Set TAG and RELEASE_URL
-        run: |
-          echo $TAG
-          echo $(cat .github/release-tag.txt)
-
       - name: Download Artifacts
         run: |
           mkdir -p indexing-results/data/project/multi-jar
@@ -90,7 +85,7 @@ jobs:
 #        env:
 #          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          tag_name: "$TAG"
+          tag_name: ${{ env.TAG }}
           draft: true
           prerelease: false
           files: |