Bump YamlDotNet from 11.1.0 to 11.1.1

Bumps [YamlDotNet](https://github.com/aaubry/YamlDotNet) from 11.1.0 to 11.1.1.
- [Release notes](https://github.com/aaubry/YamlDotNet/releases)
- [Commits](aaubry/YamlDotNet@v11.1.0...v11.1.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/Directory.Build.props

@@ -25,7 +25,7 @@
         <PackageVersion_LibGit2Sharp_NativeBinaries>2.0.312</PackageVersion_LibGit2Sharp_NativeBinaries>
 
         <PackageVersion_JetBrainsAnnotations>2021.1.0</PackageVersion_JetBrainsAnnotations>
-        <PackageVersion_YamlDotNet>11.1.0</PackageVersion_YamlDotNet>
+        <PackageVersion_YamlDotNet>11.1.1</PackageVersion_YamlDotNet>
         <PackageVersion_MicrosoftExtensions>5.0.0</PackageVersion_MicrosoftExtensions>
         <PackageVersion_MicrosoftJson>5.0.0</PackageVersion_MicrosoftJson>
         <PackageVersion_MicrosoftTextEncoding>5.0.0</PackageVersion_MicrosoftTextEncoding>

src/GitVersion.Core/Configuration/ConfigSerializer.cs

@@ -1,8 +1,5 @@
-using System;
 using System.IO;
 using GitVersion.Model.Configuration;
-using YamlDotNet.Core;
-using YamlDotNet.Core.Events;
 using YamlDotNet.Serialization;
 using YamlDotNet.Serialization.NamingConventions;
 
@@ -14,7 +11,6 @@ public static Config Read(TextReader reader)
         {
             var deserializer = new DeserializerBuilder()
                 .WithNamingConvention(HyphenatedNamingConvention.Instance)
-                .WithTypeConverter(new YamlNullableEnumTypeConverter())
                 .Build();
             var deserialize = deserializer.Deserialize<Config>(reader);
             return deserialize ?? new Config();
@@ -25,70 +21,8 @@ public static void Write(Config config, TextWriter writer)
             var serializer = new SerializerBuilder()
                 .ConfigureDefaultValuesHandling(DefaultValuesHandling.OmitDefaults)
                 .WithNamingConvention(HyphenatedNamingConvention.Instance)
-                .WithTypeConverter(new YamlNullableEnumTypeConverter())
                 .Build();
             serializer.Serialize(writer, config);
         }
     }
-
-    public class YamlNullableEnumTypeConverter : IYamlTypeConverter
-    {
-        public bool Accepts(Type type)
-        {
-            return Nullable.GetUnderlyingType(type)?.IsEnum ?? false;
-        }
-
-        public object ReadYaml(IParser parser, Type type)
-        {
-            type = Nullable.GetUnderlyingType(type) ?? throw new ArgumentException("Expected nullable enum type for ReadYaml");
-
-            if (parser.Accept<NodeEvent>(out var @event))
-            {
-                if (NodeIsNull(@event))
-                {
-                    parser.SkipThisAndNestedEvents();
-                    return null;
-                }
-            }
-
-            var scalar = parser.Consume<Scalar>();
-            try
-            {
-                return Enum.Parse(type, scalar.Value, ignoreCase: true);
-            }
-            catch (Exception ex)
-            {
-                throw new Exception($"Invalid value: \"{scalar.Value}\" for {type.Name}", ex);
-            }
-        }
-
-        public void WriteYaml(IEmitter emitter, object value, Type type)
-        {
-            type = Nullable.GetUnderlyingType(type) ?? throw new ArgumentException("Expected nullable enum type for WriteYaml");
-
-            if (value != null)
-            {
-                var toWrite = Enum.GetName(type, value) ?? throw new InvalidOperationException($"Invalid value {value} for enum: {type}");
-                emitter.Emit(new Scalar(null, null, toWrite, ScalarStyle.Any, true, false));
-            }
-        }
-
-        private static bool NodeIsNull(NodeEvent nodeEvent)
-        {
-            // http://yaml.org/type/null.html
-
-            if (nodeEvent.Tag == "tag:yaml.org,2002:null")
-            {
-                return true;
-            }
-
-            if (nodeEvent is Scalar scalar && scalar.Style == ScalarStyle.Plain)
-            {
-                var value = scalar.Value;
-                return value is "" or "~" or "null" or "Null" or "NULL";
-            }
-
-            return false;
-        }
-    }
 }