chore: bump gRPC versions and centralize them

[jskeet]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @jskeet, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request streamlines dependency management by updating a key gRPC ASP.NET Core package and centralizing the version declarations for several gRPC and Google API-related packages within Directory.Packages.props. This approach simplifies future version updates and ensures consistent package versions across projects by removing individual VersionOverride attributes from various .csproj files, promoting a more maintainable and unified dependency landscape.

Highlights

• gRPC Version Bump: The Grpc.AspNetCore package has been updated from version 2.40.0 to 2.76.0.
• Centralized Version Management: Versions for Grpc.Core.Api (set to 2.71.0) and Google.Apis (set to 1.73.0) have been centralized in Directory.Packages.props.
• Removed Version Overrides: Specific VersionOverride attributes for Google.Apis, Grpc.Core.Api, and Grpc.Net.Client have been removed from individual .csproj files, allowing them to inherit versions from Directory.Packages.props.
• Temporary Test File: A new file apis/Google.Cloud.Bigtable.V2/test.txt was added, likely for testing purposes related to the version updates.

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[gemini-code-assist]

Code Review

This pull request aims to update and centralize gRPC package versions. The changes are generally moving in the right direction by utilizing Directory.Packages.props. However, I've identified a few areas for improvement. A temporary test file seems to have been included by accident. Additionally, one of the packages, Grpc.Net.Client, has had its local version override removed but hasn't been added to the central Directory.Packages.props file, which undermines the goal of centralization. Finally, there's a potential version mismatch between different grpc-dotnet packages which could lead to runtime issues. My detailed comments provide suggestions to address these points.

[gemini-code-assist]

There's a potential version mismatch. Grpc.AspNetCore is being updated to 2.76.0 (on line 66), but Grpc.Core.Api is being set to 2.71.0. Since both are part of the grpc-dotnet ecosystem, their versions should ideally be aligned to prevent runtime errors like MethodNotFoundException. Please consider using version 2.76.0 for Grpc.Core.Api as well. Also, using Version instead of VersionOverride is more appropriate here since this package is a direct dependency in some projects, and VersionOverride is meant for forcing versions of transitive dependencies.

    <PackageVersion Include="Grpc.Core.Api" Version="2.76.0" />

[jskeet]

@amanda-tarafa The first version of this PR had a commit which introduced a file in Bigtable just to provoke the conformance tests - they passed.

[amanda-tarafa]

Thanks!