fix(deps): update module google.golang.org/grpc to v1.66.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google.golang.org/grpc	v1.66.1 -> v1.66.2

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Release Notes

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

### [`v1.66.2`](https://redirect.github.com/grpc/grpc-go/releases/tag/v1.66.2): Release 1.66.2 [Compare Source](https://redirect.github.com/grpc/grpc-go/compare/v1.66.1...v1.66.2) ### Dependencies - Remove unintentional dependency on the `testing` package ([#​7579](https://redirect.github.com/grpc/grpc-go/issues/7579)) - Remove unintentional dependency on the `flate` package ([#​7595](https://redirect.github.com/grpc/grpc-go/issues/7595)) - Special Thanks: [@​ash2k](https://redirect.github.com/ash2k) ### Bug Fixes - client: fix a bug that prevented memory reuse after handling unary RPCs ([#​7571](https://redirect.github.com/grpc/grpc-go/issues/7571)) - Special Thanks: [@​coxley](https://redirect.github.com/coxley)

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