Update dependency grpc-tools to v1.59.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
grpc-tools (source)	1.59.0 -> 1.59.2

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Release Notes

google/grpc (grpc-tools)

### [`v1.59.2`](https://togithub.com/grpc/grpc/releases/tag/v1.59.2) [Compare Source](https://togithub.com/google/grpc/compare/v1.59.0...v1.59.2) This is release 1.59.2 ([generative](https://togithub.com/grpc/grpc/blob/master/doc/g_stands_for.md)) of gRPC Core. For gRPC documentation, see [grpc.io](https://grpc.io/). For previous releases, see [Releases](https://togithub.com/grpc/grpc/releases). This release contains refinements, improvements, and bug fixes, with highlights listed below. ## Core - \[chttp2] Rollup of fixes for CVE-2023-44487. ([#​34763](https://togithub.com/grpc/grpc/pull/34763))

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