add autodate as was suggested by @savornicese

mRemoteNG/mRemoteNG.csproj

@@ -7,7 +7,7 @@
     <ApplicationIcon>Icons\mRemoteNG.ico</ApplicationIcon>
     <Version>1.77.3</Version>
     <Description>Multi-protocol remote connections manager</Description>
-    <Copyright>2023 mRemoteNG Dev Team, 2010-2013 Riley McArdle, 2007-2009 Felix Deimel</Copyright>
+    <Copyright>$([System.DateTime]::Now.Year) mRemoteNG Dev Team, 2010-2013 Riley McArdle, 2007-2009 Felix Deimel</Copyright>
     <PackageLicenseFile>COPYING.TXT</PackageLicenseFile>
     <PackageProjectUrl>https://mremoteng.org/</PackageProjectUrl>
     <Platforms>x64</Platforms>