build(deps): bump xunit from 2.5.3 to 2.6.0

Author: ChaosEngine

test/Pomelo.Extensions.Caching.MySql.Tests/MySqlCacheWithDatabaseTest.cs

@@ -742,10 +742,10 @@ public async Task IsDuplicateKeyException()
 				SlidingExpirationInSeconds = TimeSpan.FromSeconds(10)
 			};
 
-			var exception = await Assert.ThrowsAsync<MySqlException>(async () =>
+			var exception = await Assert.ThrowsAsync<MySqlException>((Func<ValueTask>)(async () =>
 			{
 				await SetCacheItemFromDatabaseAsync(key, value);
-			});
+			}));
 			Assert.NotNull(exception);
 			Assert.Equal(1062, exception.Number);
 

test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.Extensions.Caching.MySql.Tests.csproj

@@ -25,7 +25,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
-    <PackageReference Include="xunit" Version="2.5.3" />
+    <PackageReference Include="xunit" Version="2.6.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>