Update NuGet package version

Author: eXpl0it3r

tools/nuget/CSFML/CSFML.csproj

@@ -4,7 +4,7 @@
     <TargetFramework>netstandard2.0</TargetFramework>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 
-    <Version>3.0.0-rc.2</Version>
+    <Version>3.0.0-rc.3</Version>
     <Authors>Laurent Gomila</Authors>
     <PackageTags>sfml csfml</PackageTags>
     <Copyright>Copyright © Laurent Gomila</Copyright>