chore(deps): update actions/add-to-project action to v2

Author: renovate[bot]

.github/workflows/integrations-add-to-project.yml

@@ -14,7 +14,7 @@ jobs:
     name: Add issue to project
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/add-to-project@v1.0.2
+      - uses: actions/add-to-project@v2.0.0
         with:
           project-url: ${{ vars.PROJECT_URL }}
           github-token: ${{ secrets.ADD_TO_PROJECT_PAT }}