chore(deps): Update dependency grpc.net.client to v2.60.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Grpc.Net.Client	2.59.0 -> 2.60.0

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Release Notes

grpc/grpc-dotnet (Grpc.Net.Client)

v2.60.0

What's Changed

• Update to GA .NET 8 SDK by @​JamesNK in https://github.com/grpc/grpc-dotnet/pull/2321
• Update to use Directory.Packages.props by @​JamesNK in https://github.com/grpc/grpc-dotnet/pull/2315
• Add Native AOT test by @​JamesNK in https://github.com/grpc/grpc-dotnet/pull/2324
• Trim regex from Grpc.AspNetCore by @​JamesNK in https://github.com/grpc/grpc-dotnet/pull/2326

Full Changelog: grpc/grpc-dotnet@v2.59.0...v2.60.0

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