Updated install command in readme

readme.md

@@ -53,7 +53,7 @@ Install-Package QuestPDF
 dotnet add package QuestPDF
 
 // Package reference in .csproj file
-<PackageReference Include="QuestPDF" Version="2022.3.1" />
+<PackageReference Include="QuestPDF" Version="2022.4.1" />
 ```
 
 [![Nuget version](https://img.shields.io/badge/package%20details-QuestPDF-blue?logo=nuget)](https://www.nuget.org/packages/QuestPDF/)