use v3.1.1 for create-github-app-token action

Author: dminnear-rh

.github/workflows/metadata-docs.yml

@@ -83,7 +83,7 @@ jobs:
         working-directory: ${{ env.PATTERN_DIR }}
 
       - name: Generate token with Metadata Sync GitHub App
-        uses: actions/create-github-app-token@f8d387b68d61c58ab83c6c016672934102569859 # v3.0.0
+        uses: actions/create-github-app-token@1b10c78c7865c340bc4f6099eb2f838309f1e8c3 # v3.1.1
         id: app-token
         with:
           client-id: ${{ vars.METADATA_SYNC_APP_ID }}