deps: update module google.golang.org/protobuf to v1.34.1

This MR contains the following updates:

Package	Type	Update	Change
google.golang.org/protobuf	require	patch	v1.34.0 -> v1.34.1

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Release Notes

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

v1.34.1

Compare Source

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

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