Update add-issue-to-project-tracker.yml

.github/workflows/add-issue-to-project-tracker.yml

@@ -4,17 +4,13 @@ on:
   issues:
     types:
       - opened
-  pull_request:
-    types: [opened, reopened]
 
 jobs:
   add-to-project:
     name: Add issue to project
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/add-to-project@v0.4.0
+      - uses: actions/add-to-project@v0.6.0
         with:
-          # You can target a repository in a different organization
-          # to the issue
           project-url: https://github.com/orgs/astronomy-commons/projects/7
           github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}