fix(deps): update module google.golang.org/grpc to v1.67.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google.golang.org/grpc	v1.67.0 -> v1.67.1

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Release Notes

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

### [`v1.67.1`](https://redirect.github.com/grpc/grpc-go/releases/tag/v1.67.1): Release 1.67.1 [Compare Source](https://redirect.github.com/grpc/grpc-go/compare/v1.67.0...v1.67.1) ### Bug Fixes - transport: Fix a bug causing stream failures due to miscalculation of the flow control window in both clients and servers. ([#​7667](https://redirect.github.com/grpc/grpc-go/issues/7667)) - xds/server: Fix xDS Server memory leak. ([#​7681](https://redirect.github.com/grpc/grpc-go/issues/7681))

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