backupccl: skip TestBackupRestoreJobTagAndLabel under race

This test fails under race when running in a tenant
occasionally. Requires further investigation.

Informs: cockroachdb#107336

Release note: None

pkg/ccl/backupccl/backup_test.go

@@ -219,6 +219,7 @@ func TestBackupRestoreMultiNodeRemote(t *testing.T) {
 func TestBackupRestoreJobTagAndLabel(t *testing.T) {
 	defer leaktest.AfterTest(t)()
 	defer log.Scope(t).Close(t)
+	skip.UnderRaceWithIssue(t, 107336)
 
 	const numAccounts = 1000
 	ctx := context.Background()