Update to .NET 7 RC1

- Update to release candidate 1 of .NET 7.
- Fix compiler error.
- Apply two code simplifications suggested by Visual Studio.

Directory.Packages.props

@@ -23,8 +23,8 @@
     <PackageVersion Update="Microsoft.Extensions.DependencyInjection.Abstractions" Version="5.0.0" />
   </ItemGroup>
   <ItemGroup Condition=" '$(AssemblyName)' != 'JustEat.StatsD' ">
-    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0-preview.7.22375.6" />
-    <PackageVersion Update="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0-preview.7.22375.6" />
+    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0-rc.1.22426.10" />
+    <PackageVersion Update="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0-rc.1.22426.10" />
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="coverlet.msbuild" PrivateAssets="All" />

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "7.0.100-preview.7.22377.5",
+    "version": "7.0.100-rc.1.22431.12",
     "allowPrerelease": false,
     "rollForward": "latestMajor"
   }

src/JustEat.StatsD/TagsFormatters/StatsDTagsFormatter.cs

@@ -120,24 +120,20 @@ private bool TryWriteTags(ref Buffer<char> buffer, in Dictionary<string, string?
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     private bool TryWriteTagsSeparator(ref Buffer<char> buffer, int index, in Dictionary<string, string?> tags) =>
-        !IsLastTag(index, tags)
-            ? buffer.TryWrite(_tagsSeparator)
-            : true;
+        IsLastTag(index, tags) || buffer.TryWrite(_tagsSeparator);
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     private static bool IsLastTag(int index, in Dictionary<string, string?> tags) =>
         index == tags.Count - 1;
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    private bool TryWriteTag(ref Buffer<char> buffer, in KeyValuePair<string, string?> tag) =>
+    private bool TryWriteTag(ref Buffer<char> buffer, KeyValuePair<string, string?> tag) =>
         buffer.TryWriteString(tag.Key)
         && TryWriteTagValueIfNeeded(ref buffer, tag);
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     private bool TryWriteTagValueIfNeeded(ref Buffer<char> buffer, KeyValuePair<string, string?> tag) =>
-        tag.Value != null
-            ? buffer.TryWrite(_keyValueSeparator) && buffer.TryWriteString(tag.Value!)
-            : true;
+        tag.Value == null || buffer.TryWrite(_keyValueSeparator) && buffer.TryWriteString(tag.Value!);
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     private static bool AreTagsPresent(in Dictionary<string, string?>? tags) =>