revert Version -> PackageVersion rename

broke draft-release workflow

Author: Todd

src/Flurl.Http/Flurl.Http.csproj

@@ -4,7 +4,7 @@
     <LangVersion>9.0</LangVersion>
     <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
     <PackageId>Flurl.Http</PackageId>
-    <PackageVersion>4.0.0</PackageVersion>
+    <Version>4.0.0</Version>
     <Authors>Todd Menier</Authors>
     <Description>4.0 contains breaking changes! See flurl.dev/upgrade</Description>
     <Copyright>Copyright (c) Todd Menier 2023.</Copyright>

src/Flurl/Flurl.csproj

@@ -3,7 +3,7 @@
     <TargetFrameworks>netstandard2.0;net461;net472</TargetFrameworks>
     <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
     <PackageId>Flurl</PackageId>
-    <PackageVersion>4.0.0</PackageVersion>
+    <Version>4.0.0</Version>
     <Authors>Todd Menier</Authors>
     <Description>A fluent, portable URL builder. To make HTTP calls off the fluent chain, check out Flurl.Http.</Description>
     <Copyright>Copyright (c) Todd Menier 2023.</Copyright>