Tests fail with NuGet.targets(128,5): error : '1.28.0-0764169' is not a valid version string.

[zmerlynn]

The tests phase of AgonesBot is failing with:

+ cd ./sdks/csharp/test
+ dotnet test -c Release

Welcome to .NET Core 3.1!
---------------------
SDK Version: 3.1.425

Telemetry
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Read more about .NET Core CLI Tools telemetry: https://aka.ms/dotnet-cli-telemetry

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--------------------------------------------------------------------------------------
/usr/share/dotnet/sdk/3.1.425/NuGet.targets(128,5): error : '1.28.0-0764169' is not a valid version string. (Parameter 'value') [/go/src/agones.dev/agones/sdks/csharp/test/csharp-sdk-test.csproj]
make[1]: *** [includes/sdk.mk:88: run-sdk-command] Error 1

Examples:

• Split port allocators, implement Autopilot port allocation/policies #2789 (comment)
• Split port allocators, implement Autopilot port allocation/policies #2789 (comment)

[zmerlynn]

I wasn't initially able to reproduce this locally, but I notice that @agones-bot is using SDK Version: 3.1.425 and my local docker build container is using SDK Version: 3.1.424.

[markmandel]

This is a duplicate of #2018