chore(deps): update tibdex/github-app-token action to v1.8.0 (#2187)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

Author: renovate[bot]

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

@@ -9,7 +9,7 @@ jobs:
     steps:
       - name: Generate token
         id: generate_token
-        uses: tibdex/github-app-token@v1.5.2
+        uses: tibdex/github-app-token@v1.8.0
         with:
           app_id: ${{ secrets.TOKENS_APP_ID }}
           private_key: ${{ secrets.TOKENS_PRIVATE_KEY }}