Update issue tracking workflow

Author: hellais

.github/workflows/add_issues_to_project.yml

@@ -12,14 +12,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/[email protected]
+        if: github.event.action == 'opened'
         with:
           # Add to triaging board
           project-url: https://github.com/orgs/ooni/projects/47
           github-token: ${{ secrets.ADD_TO_PROJECT_GH_TOKEN }}
           labeled: bug, triage
           label-operator: OR
 
-
       - uses: actions/[email protected]
         if: github.event.action == 'labeled' && startsWith(github.event.label.name, 'funder/')
         with: