Merge pull request #28830 from overleaf/bg-async-await-github-sync

migrate github-sync AuthenticationController to async/await

GitOrigin-RevId: 0d0cdc0dcb054dd36c9b1323ea1003678c75f6a2

package-lock.json

@@ -55853,6 +55853,7 @@
       "dependencies": {
         "@octokit/request": "^9.2.2",
         "@overleaf/access-token-encryptor": "*",
+        "@overleaf/fetch-utils": "*",
         "@overleaf/logger": "*",
         "@overleaf/metrics": "*",
         "@overleaf/mongo-utils": "*",
@@ -55872,7 +55873,6 @@
         "request": "^2.88.2"
       },
       "devDependencies": {
-        "@overleaf/fetch-utils": "*",
         "@overleaf/migrations": "*",
         "@pollyjs/adapter-node-http": "^6.0.6",
         "@pollyjs/core": "^6.0.6",