Bump copyright

Author: tilkinsc

Lua.NET.csproj

@@ -9,7 +9,7 @@
 		<PackageId>Lua.NET</PackageId>
 		<Version>6.0.1</Version>
 		<Authors>Cody Tilkins</Authors>
-		<Copyright>Copyright © Cody Tilkins 2024</Copyright>
+		<Copyright>Copyright © Cody Tilkins 2025</Copyright>
 		<Title>Lua.NET</Title>
 		<Product>Lua.NET</Product>
 		<PackageIcon>Lua.NET.Logo.png</PackageIcon>