Fix cake build errors for V8

appveyor.yml

@@ -1,4 +1,4 @@
-os: Visual Studio 2019
+os: Visual Studio 2022
 
 # Build script
 build_script:

build.cake

@@ -16,8 +16,8 @@ var configuration = Argument<string>("configuration", "Release");
 // EXTERNAL NUGET LIBRARIES
 //////////////////////////////////////////////////////////////////////
 
-#addin "Cake.FileHelpers"
-#addin nuget:?package=Cake.Yaml
+#addin nuget:?package=Cake.FileHelpers&version=3.1.0
+#addin nuget:?package=Cake.Yaml&version=3.0.0
 #addin nuget:?package=YamlDotNet&version=6.0.0
 
 ///////////////////////////////////////////////////////////////////////////////

src/Polly.Contrib.DuplicateRequestCollapser/CacheStampedeResilienceStrategy.cs

@@ -76,15 +76,17 @@ protected override async ValueTask<Outcome<TResult>> ExecuteCore<TResult, TState
             // As soon as the lazy has returned a result to one thread, the concurrent request set is over, so we evict the lazy from the ConcurrentDictionary.
             // We need to evict within a lock, to be sure we are not, due to potential race with new threads populating, evicting a different lazy created by a different thread.
             // To reduce lock contention, first check outside the lock whether we still need to remove it (we will double-check inside the lock).
-            if (_collapser.TryGetValue(key, out Lazy<ValueTask<object>> currentValue))
+            Lazy<ValueTask<object>>? currentValue = null;
+            if (_collapser.TryGetValue(key, out currentValue))
             {
                 if (currentValue == lazy)
                 {
                     await using (_lockProvider.AcquireLockAsync(key, context, context.CancellationToken, context.ContinueOnCapturedContext)
                         .ConfigureAwait(context.ContinueOnCapturedContext))
                     {
+                        Lazy<ValueTask<object>>? valueWithinLock = null;
                         // Double-check that there has not been a race which updated the dictionary with a new value.
-                        if (_collapser.TryGetValue(key, out Lazy<ValueTask<object>> valueWithinLock))
+                        if (_collapser.TryGetValue(key, out valueWithinLock))
                         {
                             if (valueWithinLock == lazy)
                             {

src/Polly.Contrib.DuplicateRequestCollapser/Polly.Contrib.DuplicateRequestCollapser.csproj

@@ -5,11 +5,11 @@
     <LangVersion>latest</LangVersion>
     <AssemblyName>Polly.Contrib.DuplicateRequestCollapser</AssemblyName>
     <RootNamespace>Polly.Contrib.DuplicateRequestCollapser</RootNamespace>
-    <Version>0.3.0-v030-0001</Version>
-    <AssemblyVersion>0.3.0.0</AssemblyVersion>
-    <PackageVersion>0.3.0-v030-0001</PackageVersion>
-    <FileVersion>0.3.0.0</FileVersion>
-    <InformationalVersion>0.3.0.0</InformationalVersion>
+    <Version>0.4.0-v040-0001</Version>
+    <AssemblyVersion>0.4.0.0</AssemblyVersion>
+    <PackageVersion>0.3.0-v040-0001</PackageVersion>
+    <FileVersion>0.4.0.0</FileVersion>
+    <InformationalVersion>0.4.0.0</InformationalVersion>
     <Company>App vNext</Company>
     <Copyright>Copyright (c) 2020, App vNext and contributors</Copyright>
     <Description>Polly.Contrib.DuplicateRequestCollapser is a Polly policy to collapse concurrent duplicate requests to a single execution, integrating with the Polly resilience project for .NET</Description>
@@ -50,12 +50,16 @@
     <NeutralLanguage>en-US</NeutralLanguage>
     <AssemblyTitle>Polly.Contrib.DuplicateRequestCollapser</AssemblyTitle>
     <PackageLicenseExpression>BSD-3-Clause</PackageLicenseExpression>
-    <PackageIconUrl>https://raw.github.com/App-vNext/Polly/master/Polly.png</PackageIconUrl>
+    <PackageIcon>package-icon.png</PackageIcon>
     <PackageProjectUrl>https://github.com/Polly-Contrib/Polly.Contrib.DuplicateRequestCollapser</PackageProjectUrl>
     <PackageTags>Exception Handling Resilience Transient Fault Policy Polly</PackageTags>
     <PackageReleaseNotes>Custom build because the other nuget isn't getting a response from the owner</PackageReleaseNotes>
     <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
     <Title>Polly.Contrib.DuplicateRequestCollapser </Title>
     <PackageId>DigitalRuby.$(AssemblyName)</PackageId>
+    <Authors>App vNext</Authors>
   </PropertyGroup>
+  <ItemGroup>
+    <None Include="$(MsBuildThisFileDirectory)..\$(PackageIcon)" Pack="true" PackagePath="" />
+  </ItemGroup>
 </Project>