Increment the package version for Compatibility package (#19906)

Author: Anipik

src/Compatibility/Microsoft.DotNet.Compatibility/Microsoft.DotNet.Compatibility.csproj

@@ -5,7 +5,7 @@
     <IsPackable>true</IsPackable>
     <IsShippingPackage>true</IsShippingPackage>
     <StrongNameKeyId>Open</StrongNameKeyId>
-    <VersionPrefix>1.0.0</VersionPrefix>
+    <VersionPrefix>2.0.0</VersionPrefix>
     <IncludeBuildOutput>false</IncludeBuildOutput>
     <!-- This package doesnot contain any lib or ref assemblies because its a tooling package.-->
     <NoWarn>$(NoWarn);NU5128</NoWarn>