Increase app version to 2.0.0

Author: Mindaugas Veblauskas

src/GlobalAssemblyInfo.cs

@@ -9,7 +9,7 @@
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("Proton VPN")]
-[assembly: AssemblyCopyright("Copyright © 2022 Proton AG")]
+[assembly: AssemblyCopyright("Copyright © 2022 Proton AG")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]