chore(deps): Update go deps

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	Age	Adoption	Passing	Confidence
go (source)	toolchain	patch	1.23.4 -> 1.23.5
google.golang.org/grpc	require	patch	v1.69.2 -> v1.69.4
google.golang.org/protobuf	require	patch	v1.36.2 -> v1.36.3

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Release Notes

golang/go (go)

v1.23.5

grpc/grpc-go (google.golang.org/grpc)

v1.69.4: Release 1.69.4

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Bug Fixes

• rbac: fix support for :path header matchers, which would previously never successfully match (#​7965).

Documentation

• examples/features/csm_observability: update example client and server to use the helloworld service instead of echo service (#​7945).

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

v1.36.3

Compare Source

Full Changelog: protocolbuffers/protobuf-go@v1.36.2...v1.36.3

Bug fixes:
CL/642575: reflect/protodesc: fix panic when working with dynamicpb
CL/641036: cmd/protoc-gen-go: remove json struct tags from unexported fields

User-visible changes:
CL/641876: proto: add example for GetExtension, SetExtension
CL/642015: runtime/protolazy: replace internal doc link with external link

Maintenance:
CL/641635: all: split flags.ProtoLegacyWeak out of flags.ProtoLegacy
CL/641019: internal/impl: remove unused exporter parameter
CL/641018: internal/impl: switch to reflect.Value.IsZero
CL/641035: internal/impl: clean up unneeded Go<1.12 MapRange() alternative
CL/641017: types/dynamicpb: switch atomicExtFiles to atomic.Uint64 type

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