Update to .NET 7 RC1

Update to release candidate 1 of .NET 7.

Author: martincostello

Directory.Packages.props

@@ -5,7 +5,7 @@
     <PackageVersion Include="GitHubActionsTestLogger" Version="2.0.1" />
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="24.5.0" />
     <PackageVersion Include="MartinCostello.Logging.XUnit" Version="0.3.0" />
-    <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="7.0.0-preview.7.22376.6" />
+    <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="7.0.0-rc.1.22427.2" />
     <PackageVersion Include="Microsoft.AspNetCore.WebUtilities" Version="2.2.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="3.3.3" />
     <PackageVersion Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" />
@@ -29,7 +29,7 @@
     <PackageVersion Update="System.Text.Json" Version="6.0.0" />
   </ItemGroup>
   <ItemGroup Condition=" '$(AssemblyName)' != 'JustEat.HttpClientInterception' ">
-    <PackageVersion Update="System.Text.Json" Version="7.0.0-preview.7.22375.6" />
+    <PackageVersion Update="System.Text.Json" Version="7.0.0-rc.1.22426.10" />
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" 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"
   }