Update module google.golang.org/protobuf to v1.34.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google.golang.org/protobuf	v1.33.0 -> v1.34.2

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Release Notes

protocolbuffers/protobuf-go (google.golang.org/protobuf)

v1.34.2

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Minor feature:

• CL/589336: gofeatures: allow setting legacy_unmarshal_json_enum feature at file level

Minor bug fixes:

• CL/588875: types/descriptorpb: regenerate using latest protobuf v27.0 release
• CL/586396: internal/impl: fix size cache semantics with lazy decoding
• CL/585736: reflect/protodesc: remove obsolete JSON name check from desc validator
• CL/588976: reflect/protoreflect: FieldDescriptor.Kind should never be GroupKind for maps or fields of map entry

v1.34.1

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Minor fixes for editions compliance:

• CL/582635: all: update to protobuf 27.0-rc1 and regenerate protos
• CL/582755: encoding/proto[json|text]: accept lower case names for group-like fields

v1.34.0

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