Fix artifact pattern.

Author: hzeller

.github/workflows/verible-ci.yml

@@ -504,7 +504,7 @@ jobs:
       uses: svenstaro/[email protected]
       with:
         repo_token: ${{ secrets.GITHUB_TOKEN }}
-        file: verible-v*.{tar.gz,zip}"
+        file: verible-v*.{tar.gz,zip}
         tag: ${{ env.TAG }}
         overwrite: true
         file_glob: true