Update grpc-java monorepo to v1.66.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.grpc:grpc-stub	1.65.1 -> 1.66.0
io.grpc:grpc-protobuf	1.65.1 -> 1.66.0

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Release Notes

grpc/grpc-java (io.grpc:grpc-stub)

### [`v1.66.0`](https://togithub.com/grpc/grpc-java/compare/v1.65.1...v1.66.0) [Compare Source](https://togithub.com/grpc/grpc-java/compare/v1.65.1...v1.66.0)

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Configuration

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