misc: Change disk shader cache compression algorithm to Brotli (RFC 7932) (#6841)

* Prefer `Brotli` compression for disk shader cache.

* Final default case for decompression switch.

* Prefer fastest compression.

src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheCommon.cs

@@ -51,7 +51,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
         /// <returns>Compression algorithm</returns>
         public static CompressionAlgorithm GetCompressionAlgorithm()
         {
-            return CompressionAlgorithm.Deflate;
+            return CompressionAlgorithm.Brotli;
         }
     }
 }