types/descriptorpb: regenerate using latest protobuf v30 release

The changes to integration_test.go and internal/filedesc/editions.go
were manual, the rest is the result of ./regenerate.bash.

Note that while Protobuf v30 supports Bazel 8, the targets we need
("test and release targets") still require Bazel 7. An easy way
to work with Bazel 7 is to use bazelisk:

mkdir /tmp/wrap
cat > /tmp/wrap/bazel <<'EOT'
USE_BAZEL_VERSION=7.x bazelisk "$@"
EOT
chmod +x /tmp/wrap/bazel
export PATH=/tmp/wrap:$PATH
./regenerate.bash

Change-Id: Idfa8d149995025ec5194711ca60648cee50b0766
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/654955
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Chressie Himpel <[email protected]>

Author: stapelberg

integration_test.go

@@ -33,7 +33,7 @@ var (
 	regenerate   = flag.Bool("regenerate", false, "regenerate files")
 	buildRelease = flag.Bool("buildRelease", false, "build release binaries")
 
-	protobufVersion = "29.1"
+	protobufVersion = "30.0"
 
 	golangVersions = func() []string {
 		// Version policy: oldest supported version of Go, plus the version before that.

internal/editiondefaults/editions_defaults.binpb

@@ -69,6 +69,9 @@ func unmarshalFeatureSet(b []byte, parent EditionFeatures) EditionFeatures {
 				parent.IsDelimitedEncoded = v == genid.FeatureSet_DELIMITED_enum_value
 			case genid.FeatureSet_JsonFormat_field_number:
 				parent.IsJSONCompliant = v == genid.FeatureSet_ALLOW_enum_value
+			case genid.FeatureSet_EnforceNamingStyle_field_number:
+				// EnforceNamingStyle is enforced in protoc, languages other than C++
+				// are not supposed to do anything with this feature.
 			default:
 				panic(fmt.Sprintf("unkown field number %d while unmarshalling FeatureSet", num))
 			}