Update @azure/msal-node to 1.0.0-beta.3

The new version introduced a breaking change and requires manual changes.

plugins/catalog-backend/package.json

@@ -30,7 +30,7 @@
   },
   "dependencies": {
     "@aws-sdk/client-organizations": "^3.2.0",
-    "@azure/msal-node": "^1.0.0-alpha.8",
+    "@azure/msal-node": "^1.0.0-beta.3",
     "@backstage/backend-common": "^0.4.3",
     "@backstage/catalog-model": "^0.6.1",
     "@backstage/config": "^0.1.2",

plugins/catalog-backend/src/ingestion/processors/microsoftGraph/client.ts

@@ -96,6 +96,10 @@ export class MicrosoftGraphClient {
       scopes: ['https://graph.microsoft.com/.default'],
     });
 
+    if (!token) {
+      throw new Error('Error while requesting token for Microsoft Graph');
+    }
+
     return await fetch(url, {
       headers: {
         Authorization: `Bearer ${token.accessToken}`,