remove auth-app upgrade to ESM support

Author: ldetmer

packages/gcf-utils/package-lock.json

@@ -23,7 +23,6 @@
     "@google-cloud/secret-manager": "^5.6.0",
     "@google-cloud/storage": "^7.12.1",
     "@google-cloud/tasks": "^5.5.0",
-    "@octokit/auth-app": "^7.1.5",
     "@octokit/auth-oauth-app": "^8.1.3",
     "@octokit/auth-oauth-user": "^5.1.3",
     "@octokit/oauth-methods": "^5.1.4",
@@ -73,20 +72,15 @@
     "typescript": "^5.7.3"
   },
   "overrides": {
-    "@octokit/auth-probot": {
-      "@octokit/auth-oauth-app": "8.1.3",
-      "@octokit/auth-app": "7.1.5"
-    },
     "octokit-auth-probot": {
-      "@octokit/auth-oauth-app": "8.1.3",
-      "@octokit/auth-app": "7.1.5"
+      "@octokit/auth-oauth-app": "8.1.3"
     },
     "@octokit/auth-oauth-app": {
       "@octokit/request": "9.2.2",
       "@octokit/request-error": "5.1.1"
     },
     "@octokit/auth-app": {
-      "@octokit/request": "9.2.2",
+      "@octokit/request": "8.4.1",
       "@octokit/request-error": "5.1.1"
     },
     "@octokit/core": {