Explicitly tell ILCompiler version

Forcing build to not fallback a version, which will fail itself

Author: bagusnl

CollapseLauncher/CollapseLauncher.csproj

@@ -147,6 +147,7 @@
 		-->
         <PackageReference Include="Clowd.Squirrel" Version="2.11.1" Condition="!$(DefineConstants.Contains('USEVELOPACK'))" />
         <PackageReference Include="Libsql.Client" Version="0.5.0" />
+        <PackageReference Include="Microsoft.DotNet.ILCompiler" Version="9.0.1" />
         <!-- Velopacks' outdated dependencies, remove this once they switched to .NET 9 -->
         <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.1" />
         <!-- Velopacks' outdated dependencies, remove this once they switched to .NET 9 -->

CollapseLauncher/packages.lock.json

@@ -105,6 +105,12 @@
         "resolved": "0.40.0",
         "contentHash": "tuoVAXkGYdXyqIq+wkqFFn1LpJzsAuxghqi+MxDc+CrHdQWCMtCsycXMkNcsgsjJeUpFYHqcSBUUzZXEsN9ejQ=="
       },
+      "Microsoft.DotNet.ILCompiler": {
+        "type": "Direct",
+        "requested": "[9.0.1, )",
+        "resolved": "9.0.1",
+        "contentHash": "YSn2LXCcOfV6VntSFASNmg1W8ldLPbI74YFx+uke2lYFuahhHfeQIgKS3W52R9phB6YLWT4MvLUPDQqUelplJg=="
+      },
       "Microsoft.Extensions.DependencyInjection.Abstractions": {
         "type": "Direct",
         "requested": "[9.0.1, )",
@@ -521,6 +527,15 @@
         "resolved": "0.5.0",
         "contentHash": "5Tw6O9sBDAN1aV+kpOSVvqvFk6Ahk6bYz0TTx3808Dp40M45gKTtzTzI9SS1VeAkljE6BAOeKaykpPnG36oOgw=="
       },
+      "Microsoft.DotNet.ILCompiler": {
+        "type": "Direct",
+        "requested": "[9.0.1, )",
+        "resolved": "9.0.1",
+        "contentHash": "YSn2LXCcOfV6VntSFASNmg1W8ldLPbI74YFx+uke2lYFuahhHfeQIgKS3W52R9phB6YLWT4MvLUPDQqUelplJg==",
+        "dependencies": {
+          "runtime.win-x64.Microsoft.DotNet.ILCompiler": "9.0.1"
+        }
+      },
       "Microsoft.Graphics.Win2D": {
         "type": "Direct",
         "requested": "[1.3.1, )",