Properly escape env variables in release workflow (#267)

Author: Jorres

.github/workflows/upload-artifacts.yml

@@ -23,7 +23,7 @@ jobs:
       uses: mathieudutour/github-tag-action@v6.2
       with:
         tag_prefix: "v"
-        custom_tag: "$VERSION"
+        custom_tag: ${{ env.VERSION }}
         github_token: ${{ github.token }}
 
     - name: install-dependencies