Update project file to version 1.5.2

Author: actions-user

Styra/Opa/Styra.Opa.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <IsPackable>true</IsPackable>
     <PackageId>Styra.Opa</PackageId>
-    <Version>1.5.1</Version>
+    <Version>1.5.2</Version>
     <Authors>Styra</Authors>
     <TargetFramework>net8.0</TargetFramework>
     <Nullable>enable</Nullable>