Turn on TreatWarningsAsErrors for all warnings across the board

Author: abelbraaksma

Directory.Build.props

@@ -1,7 +1,3 @@
 <Project>
   <Import Project="Version.props" />
-  <PropertyGroup>
-    <!-- Fail CI warning FS3511: This state machine is not statically compilable.-->
-    <WarningsAsErrors>FS3511</WarningsAsErrors>
-  </PropertyGroup>
 </Project>

src/FSharp.Control.TaskSeq.SmokeTests/FSharp.Control.TaskSeq.SmokeTests.fsproj

@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
+    <TreatWarningsAsErrors>True</TreatWarningsAsErrors>
   </PropertyGroup>
 
   <ItemGroup>

src/FSharp.Control.TaskSeq.Test/FSharp.Control.TaskSeq.Test.fsproj

@@ -1,7 +1,8 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
+    <TreatWarningsAsErrors>True</TreatWarningsAsErrors>
   </PropertyGroup>
 
   <ItemGroup>

src/FSharp.Control.TaskSeq/FSharp.Control.TaskSeq.fsproj

@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.1</TargetFramework>
+    <TreatWarningsAsErrors>True</TreatWarningsAsErrors>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
     <Title>Computation expression 'taskSeq' for processing IAsyncEnumerable sequences and module functions</Title>
@@ -13,6 +14,8 @@ The 'taskSeq' computation expression adds support for awaitable asynchronous seq
 
 Generates optimized IL code through resumable state machines, and comes with a comprehensive set of functions in module 'TaskSeq'. See README for documentation and more info.</Description>
     <Copyright>Copyright 2023</Copyright>
+
+    <!-- package stuff -->
     <PackageProjectUrl>https://github.com/fsprojects/FSharp.Control.TaskSeq</PackageProjectUrl>
     <RepositoryUrl>https://github.com/fsprojects/FSharp.Control.TaskSeq</RepositoryUrl>
     <PackageIcon>taskseq-icon.png</PackageIcon>