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/CompressionAlgorithm.cs

@@ -14,5 +14,10 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
         /// Deflate compression (RFC 1951).
         /// </summary>
         Deflate,
+
+        /// <summary>
+        /// Brotli compression (RFC 7932).
+        /// </summary>
+        Brotli,
     }
 }