chore: Bump Cake.MinVer to avoid warning

To avoid the warning 
```
The assembly 'Cake.MinVer, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null' 
is referencing an older version of Cake.Core (3.0.0). 
For best compatibility it should target Cake.Core version 4.0.0.
```
in `  dotnet tool run dotnet-cake --target=Test --test-run-name=Windows --configuration=Release`

build.cake

@@ -1,4 +1,4 @@
-#addin "nuget:?package=Cake.MinVer&version=3.0.0"
+#addin "nuget:?package=Cake.MinVer&version=4.0.0"
 #load "CakeScripts/VersionParsers.cs"
 
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