Update Microsoft.DotNet.ILCompiler requirement from 7.0.3-* to 7.0.4-* (#1336)

Updates the requirements on [Microsoft.DotNet.ILCompiler](https://github.com/dotnet/runtime) to permit the latest version.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.3...v7.0.4)

---
updated-dependencies:
- dependency-name: Microsoft.DotNet.ILCompiler
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/Lab/Experiments/CoreRTTest/CoreRTTest.csproj

@@ -53,7 +53,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.DotNet.ILCompiler" Version="7.0.3-*" />
+        <PackageReference Include="Microsoft.DotNet.ILCompiler" Version="7.0.4-*" />
     </ItemGroup>
 
 </Project>