Run upload of lsif files only after successful CI

Author: ghostbuster91

.github/workflows/ci.yml

@@ -51,6 +51,8 @@ jobs:
         run: sbt -v core3/mimaReportBinaryIssues
 
   sourcegraph:
+    name: Upload index to sourcegraph
+    needs: [ci]
     # run on external PRs, but not on internal PRs since those will be run by push to branch
     if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
     runs-on: ubuntu-20.04