add rc versioning (#2138)

Author: JFriel

SharedAssemblyInfo.cs

@@ -6,10 +6,10 @@
 
 [assembly: AssemblyCompany("Health Informatics Centre, University of Dundee")]
 [assembly: AssemblyProduct("Research Data Management Platform (RDMP)")]
-[assembly: AssemblyCopyright("Copyright (c) 2018 - 2024")]
+[assembly: AssemblyCopyright("Copyright (c) 2018 - 2025")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
 [assembly: AssemblyVersion("8.4.3")]
 [assembly: AssemblyFileVersion("8.4.3")]
-[assembly: AssemblyInformationalVersion("8.4.3")]
+[assembly: AssemblyInformationalVersion("8.4.3-rc1")]