Mark the python generator for editions support.

Editions has been implemented in all three implementations already, and this simply enables it.

PiperOrigin-RevId: 582139104

src/google/protobuf/compiler/python/generator.h

@@ -66,7 +66,8 @@ class PROTOC_EXPORT Generator : public CodeGenerator {
                 std::string* error) const override;
 
   uint64_t GetSupportedFeatures() const override {
-    return Feature::FEATURE_PROTO3_OPTIONAL;
+    return Feature::FEATURE_PROTO3_OPTIONAL |
+           Feature::FEATURE_SUPPORTS_EDITIONS;
   }
   Edition GetMinimumEdition() const override { return Edition::EDITION_PROTO2; }
   Edition GetMaximumEdition() const override { return Edition::EDITION_2023; }

src/google/protobuf/compiler/python/pyi_generator.h

@@ -48,7 +48,8 @@ class PROTOC_EXPORT PyiGenerator : public google::protobuf::compiler::CodeGenera
   // CodeGenerator methods.
   uint64_t GetSupportedFeatures() const override {
     // Code generators must explicitly support proto3 optional.
-    return CodeGenerator::FEATURE_PROTO3_OPTIONAL;
+    return Feature::FEATURE_PROTO3_OPTIONAL |
+           Feature::FEATURE_SUPPORTS_EDITIONS;
   }
   bool Generate(const FileDescriptor* file, const std::string& parameter,
                 GeneratorContext* generator_context,