Replace tibdex/github-app-token with actions/create-github-app-token in update-specs.yml

Co-authored-by: v1v <2871786+v1v@users.noreply.github.com>

Author: Copilot

.github/workflows/update-specs.yml

@@ -21,15 +21,12 @@ jobs:
 
       - name: Get token
         id: get_token
-        uses: tibdex/github-app-token@3beb63f4bd073e61482598c45c71c1019b59b73a # v2.1.0
+        uses: actions/create-github-app-token@v2
         with:
-          app_id: ${{ secrets.OBS_AUTOMATION_APP_ID }}
-          private_key: ${{ secrets.OBS_AUTOMATION_APP_PEM }}
-          permissions: >-
-            {
-              "contents": "write",
-              "pull_requests": "write"
-            }
+          app-id: ${{ secrets.OBS_AUTOMATION_APP_ID }}
+          private-key: ${{ secrets.OBS_AUTOMATION_APP_PEM }}
+          permission-contents: write
+          permission-pull-requests: write
 
       - uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
         with: