Bump CefSharp.WinForms

Bumps [CefSharp.WinForms](https://github.com/cefsharp/cefsharp) from 51.0.0 to 86.0.241.
- [Release notes](https://github.com/cefsharp/cefsharp/releases)
- [Commits](cefsharp/CefSharp@v51.0.0...v86.0.241)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/DefaultApp/DefaultApp/DefaultApp.AppWinForms/packages.config

@@ -3,7 +3,7 @@
   <package id="cef.redist.x64" version="3.2704.1432" targetFramework="net46" />
   <package id="cef.redist.x86" version="3.2704.1432" targetFramework="net46" />
   <package id="CefSharp.Common" version="51.0.0" targetFramework="net46" />
-  <package id="CefSharp.WinForms" version="51.0.0" targetFramework="net46" />
+  <package id="CefSharp.WinForms" version="86.0.241" targetFramework="net46" />
   <package id="DeltaCompressionDotNet" version="1.0.0" targetFramework="net46" />
   <package id="Mono.Cecil" version="0.9.6.1" targetFramework="net46" />
   <package id="ServiceStack" version="4.5.12" targetFramework="net46" />