ttljob: skip TestSpanToQueryBoundsCompositeKeys under stress

This patch skips TestSpanToQueryBoundsCompositeKeys under
stress/stressrace as it often hits OOM issues under these
conditions.

Epic: none

Release note: None

pkg/sql/ttl/ttljob/ttljob_processor_test.go

@@ -25,6 +25,7 @@ import (
 	"github.com/cockroachdb/cockroach/pkg/sql/sem/tree"
 	"github.com/cockroachdb/cockroach/pkg/sql/ttl/ttljob"
 	"github.com/cockroachdb/cockroach/pkg/testutils/serverutils"
+	"github.com/cockroachdb/cockroach/pkg/testutils/skip"
 	"github.com/cockroachdb/cockroach/pkg/testutils/sqlutils"
 	"github.com/cockroachdb/cockroach/pkg/util/leaktest"
 	"github.com/cockroachdb/cockroach/pkg/util/log"
@@ -224,6 +225,9 @@ func TestSpanToQueryBoundsCompositeKeys(t *testing.T) {
 	defer leaktest.AfterTest(t)()
 	defer log.Scope(t).Close(t)
 
+	skip.UnderStress(t)
+	skip.UnderStressRace(t)
+
 	testCases := []struct {
 		desc string
 		// tablePKValues are PK values initially inserted into the table.