build(deps): bump actions/create-github-app-token from 1 to 2 (#436)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/sync-docs.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - name: Generate a GitHub token
         id: ghtoken
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@v2
         with:
           app-id: ${{ secrets.GH_APP_ID }}
           owner: slackapi