test (Cosmos.Compiler.Tests.MethodTests.Kernel) fails because of deprecated version

[MrBisquit]

https://github.com/CosmosOS/Cosmos/actions/runs/16435888761/job/46476385065

The test fails because it's using a deprecated version of actions/upload-artifact: v3.

[TheVogels]

There is a rewrite of Cosmos being made and I don't think it is their top priority to fix that on this version.

[MrBisquit]

I am aware.