increase time to wait for watcher in upgrade (#4064)

Co-authored-by: Pierre HILBERT <[email protected]>
Co-authored-by: Craig MacKenzie <[email protected]>

testing/upgradetest/upgrader.go

@@ -278,7 +278,7 @@ func PerformUpgrade(
 
 	// wait for the watcher to show up
 	logger.Logf("waiting for upgrade watcher to start")
-	err = WaitForWatcher(ctx, 2*time.Minute, 10*time.Second)
+	err = WaitForWatcher(ctx, 5*time.Minute, 10*time.Second)
 	if err != nil {
 		return fmt.Errorf("failed to find watcher: %w", err)
 	}