Fix repo maintenance command (#4240)

If we continue passing UnknownService then the
command fails when trying to initialize the
graph client. Longer term we should rework the
logic in the helper functions for connecting
to a repo (see #4239)

This issue isn't present in the most recent
release

---

#### Does this PR need a docs update or release note?

- [ ] ✅ Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [x] ⛔ No

#### Type of change

- [ ] 🌻 Feature
- [x] 🐛 Bugfix
- [ ] 🗺️ Documentation
- [ ] 🤖 Supportability/Tests
- [ ] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup

#### Issue(s)

* #3217

#### Test Plan

- [x] 💪 Manual
- [ ] ⚡ Unit test
- [ ] 💚 E2E

src/cli/repo/repo.go

@@ -121,7 +121,12 @@ func handleMaintenanceCmd(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	r, _, err := utils.AccountConnectAndWriteRepoConfig(ctx, path.UnknownService, S3Overrides(cmd))
+	r, _, err := utils.AccountConnectAndWriteRepoConfig(
+		ctx,
+		// Need to give it a valid service so it won't error out on us even though
+		// we don't need the graph client.
+		path.OneDriveService,
+		S3Overrides(cmd))
 	if err != nil {
 		return print.Only(ctx, err)
 	}