chore: update trimming sample

Author: elringus

samples/trimming/README.md

@@ -9,4 +9,4 @@ To test and measure build size:
 |             | Raw   | Brotli |
 |-------------|-------|--------|
 | .NET 8      | 2,298 | 739    |
-| .NET 9 LLVM | 1,749 | 520    |
+| .NET 9 LLVM | 1,737 | 518    |

samples/trimming/cs/Trimming.csproj

@@ -7,6 +7,8 @@
         <BootsharpEmbedBinaries>false</BootsharpEmbedBinaries>
         <!-- Disabling non-essential .NET features reduces minimal build size by ~35%. -->
         <BootsharpAggressiveTrimming>true</BootsharpAggressiveTrimming>
+        <!-- Optimize the compiled WASM binary for size. -->
+        <BootsharpOptimize>size</BootsharpOptimize>
     </PropertyGroup>
 
     <ItemGroup>