Include System.IO.Compression.Native in the PGO training set

[carlossanlop]

Include it with the matching training scenario to help C/C++ compilers to generate better code.

This is follow up of dotnet/perf-autofiling-issues#40587 (comment) to help reduce the noise of perf regressions like brotli.

cc @jkotas @jkoritzinsky

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[EgorBo]

#67671

[jkotas]

which repo is this done? runtime or performance?

The PGO training scenarios live in https://dev.azure.com/dnceng/internal/_git/dotnet-optimization

[EgorBo]

NOTE: I did file a PR to cover compression (hence, obtain native pgo for it) there, but never landed it for some reason.

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