Document MSBuild compression flags

### Description

There are several MSBuild properties that can be used to customize compression behaviors.

* `CompressionEnabled` completely disables compression.
* `CompressionExcludePatterns` allows you to filter out some files from being considered for compression. This accepts glob patterns like `**\*.js`.

### Page URL

https://learn.microsoft.com/en-us/aspnet/core/release-notes/aspnetcore-9.0?view=aspnetcore-9.0

### Content source URL

https://github.com/dotnet/AspNetCore.Docs/blob/main/aspnetcore/release-notes/aspnetcore-9.0.md

### Document ID

4e75ad25-2c3f-b28e-6a91-ac79a9c683b6

### Article author

@Rick-Anderson

[Related Issues](https://github.com/dotnet/AspNetCore.Docs/issues?q=is%3Aissue+is%3Aopen+4e75ad25-2c3f-b28e-6a91-ac79a9c683b6)

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