Prepare v8.2.0 release (#78)

* Bump version

* Format code

Author: adams85

Diff for: appveyor.yml

@@ -1,5 +1,5 @@
 environment:
-  build_version: 8.1.1
+  build_version: 8.2.0
 version: $(build_version)-{build}
 image: Visual Studio 2022
 configuration: Release

Diff for: src/ConfigCat.Client.Tests/OverrideTests.cs

@@ -564,7 +564,6 @@ public void OverrideValueTypeMismatchShouldBeHandledCorrectly_SimplifiedConfig(s
             overrideValueJson.Deserialize<System.Text.Json.JsonElement>();
 #endif
 
-
         var filePath = Path.GetTempFileName();
         File.WriteAllText(filePath, $"{{ \"flags\": {{ \"{key}\": {overrideValueJson} }} }}");
 

Diff for: src/ConfigCatClient/Evaluation/RolloutEvaluator.cs

@@ -1,8 +1,8 @@
-using ConfigCat.Client.Versioning;
 using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
+using ConfigCat.Client.Versioning;
 
 using static System.FormattableString;