bazel: use a wildcard instead of listing every stringer file for gazelle

This excludes a single non-stringer file,
`pkg/sql/sem/tree/parse_string.go`, so re-include it and mark it
`# keep`.

Release note: None

BUILD.bazel

@@ -86,46 +86,7 @@ load("@bazel_gazelle//:def.bzl", "gazelle")
 # gazelle:exclude vendor
 # gazelle:exclude pkg/security/securitytest/embedded.go
 # gazelle:exclude pkg/cmd/roachprod/vm/aws/embedded.go
-# gazelle:exclude pkg/base/testclusterreplicationmode_string.go
-# gazelle:exclude pkg/ccl/sqlproxyccl/errorcode_string.go
-# gazelle:exclude pkg/cli/keytype_string.go
-# gazelle:exclude pkg/clusterversion/key_string.go
-# gazelle:exclude pkg/kv/kvclient/kvcoord/txnstate_string.go
-# gazelle:exclude pkg/kv/kvserver/closedts/sidetransport/cantclosereason_string.go
-# gazelle:exclude pkg/kv/kvserver/refreshraftreason_string.go
-# gazelle:exclude pkg/roachpb/errordetailtype_string.go
-# gazelle:exclude pkg/roachpb/method_string.go
-# gazelle:exclude pkg/sql/advancecode_string.go
-# gazelle:exclude pkg/sql/catalog/catalogkv/descriptorkind_string.go
-# gazelle:exclude pkg/sql/catalog/descpb/formatversion_string.go
-# gazelle:exclude pkg/sql/catalog/descpb/privilegedescversion_string.go
-# gazelle:exclude pkg/sql/colfetcher/fetcherstate_string.go
-# gazelle:exclude pkg/sql/execinfra/consumerstatus_string.go
-# gazelle:exclude pkg/sql/execinfra/procstate_string.go
-# gazelle:exclude pkg/sql/nodestatus_string.go
-# gazelle:exclude pkg/sql/opt/optgen/lang/operator_string.go
-# gazelle:exclude pkg/sql/opt/optgen/lang/token_string.go
-# gazelle:exclude pkg/sql/opt/rule_name_string.go
-# gazelle:exclude pkg/sql/pgwire/pgwirebase/clientmessagetype_string.go
-# gazelle:exclude pkg/sql/pgwire/pgwirebase/formatcode_string.go
-# gazelle:exclude pkg/sql/pgwire/pgwirebase/pgnumericsign_string.go
-# gazelle:exclude pkg/sql/pgwire/pgwirebase/preparetype_string.go
-# gazelle:exclude pkg/sql/pgwire/pgwirebase/servererrfieldtype_string.go
-# gazelle:exclude pkg/sql/pgwire/pgwirebase/servermessagetype_string.go
-# gazelle:exclude pkg/sql/privilege/kind_string.go
-# gazelle:exclude pkg/sql/roleoption/option_string.go
-# gazelle:exclude pkg/sql/schemachange/columnconversionkind_string.go
-# gazelle:exclude pkg/sql/schemachanger/scop/type_string.go
-# gazelle:exclude pkg/sql/sem/tree/createtypevariety_string.go
-# gazelle:exclude pkg/sql/sem/tree/statementreturntype_string.go
-# gazelle:exclude pkg/sql/sem/tree/statementtype_string.go
-# gazelle:exclude pkg/sql/txnevent_string.go
-# gazelle:exclude pkg/sql/txntype_string.go
-# gazelle:exclude pkg/util/encoding/type_string.go
-# gazelle:exclude pkg/util/timeutil/pgdate/field_string.go
-# gazelle:exclude pkg/util/timeutil/pgdate/parsemode_string.go
-# gazelle:exclude pkg/workload/schemachange/optype_string.go
-# gazelle:exclude pkg/workload/schemachange/txstatus_string.go
+# gazelle:exclude pkg/**/*_string.go
 # gazelle:exclude pkg/geo/wkt/wkt_generated.go
 # gazelle:exclude pkg/sql/schemachanger/scop/backfill_visitor_generated.go
 # gazelle:exclude pkg/sql/schemachanger/scop/mutation_visitor_generated.go

pkg/sql/sem/tree/BUILD.bazel

@@ -61,7 +61,7 @@ go_library(
         "operators.go",
         "overload.go",
         "parse_array.go",
-        "parse_string.go",
+        "parse_string.go",  # keep
         "persistence.go",
         "pgwire_encode.go",
         "placeholders.go",