lease: dump stacks if test fails

We added additional logging to help debug a source of flakiness in which
the acquisition counts exceed the number of release counts. For that
logging to be useful, we need to know the goroutine IDs and stacks.

Release note: None

pkg/sql/catalog/lease/BUILD.bazel

@@ -142,6 +142,7 @@ go_test(
         "//pkg/testutils/sqlutils",
         "//pkg/testutils/testcluster",
         "//pkg/util/admission",
+        "//pkg/util/allstacks",
         "//pkg/util/ctxgroup",
         "//pkg/util/encoding",
         "//pkg/util/hlc",

pkg/sql/catalog/lease/lease_test.go

@@ -62,6 +62,7 @@ import (
 	"github.com/cockroachdb/cockroach/pkg/testutils/skip"
 	"github.com/cockroachdb/cockroach/pkg/testutils/sqlutils"
 	"github.com/cockroachdb/cockroach/pkg/testutils/testcluster"
+	"github.com/cockroachdb/cockroach/pkg/util/allstacks"
 	"github.com/cockroachdb/cockroach/pkg/util/ctxgroup"
 	"github.com/cockroachdb/cockroach/pkg/util/encoding"
 	"github.com/cockroachdb/cockroach/pkg/util/hlc"
@@ -989,6 +990,7 @@ CREATE TABLE t.foo (v INT);
 	// Descriptor has been acquired one more time than it has been released.
 	aCount, rCount := atomic.LoadInt32(&fooAcquiredCount), atomic.LoadInt32(&fooReleaseCount)
 	if aCount != rCount+1 {
+		t.Logf("\nall stacks:\n\n%s\n", allstacks.Get())
 		t.Fatalf("invalid descriptor acquisition counts = %d, %d", aCount, rCount)
 	}