Bump the all-dependencies group across 1 directory with 5 updates

Bumps the all-dependencies group with 5 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [System.Text.Encodings.Web](https://github.com/dotnet/runtime) | `4.7.2` | `9.0.0` |
| [System.Text.Json](https://github.com/dotnet/runtime) | `4.7.2` | `9.0.0` |
| [System.Text.Encodings.Web](https://github.com/dotnet/runtime) | `4.7.2` | `9.0.0` |
| [coverlet.collector](https://github.com/coverlet-coverage/coverlet) | `6.0.2` | `6.0.3` |
| [xunit](https://github.com/xunit/xunit) | `2.9.2` | `2.9.3` |
| [System.Net.Http.Json](https://github.com/dotnet/runtime) | `8.0.1` | `9.0.0` |



Updates `System.Text.Encodings.Web` from 4.7.2 to 9.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits/v9.0.0)

Updates `System.Text.Json` from 4.7.2 to 9.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits/v9.0.0)

Updates `System.Text.Encodings.Web` from 4.7.2 to 9.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits/v9.0.0)

Updates `coverlet.collector` from 6.0.2 to 6.0.3
- [Release notes](https://github.com/coverlet-coverage/coverlet/releases)
- [Commits](coverlet-coverage/coverlet@v6.0.2...v6.0.3)

Updates `xunit` from 2.9.2 to 2.9.3
- [Commits](xunit/xunit@v2-2.9.2...v2-2.9.3)

Updates `System.Net.Http.Json` from 8.0.1 to 9.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.1...v9.0.0)

---
updated-dependencies:
- dependency-name: System.Text.Encodings.Web
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-dependencies
- dependency-name: System.Text.Json
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-dependencies
- dependency-name: System.Text.Encodings.Web
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-dependencies
- dependency-name: coverlet.collector
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-dependencies
- dependency-name: xunit
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-dependencies
- dependency-name: System.Net.Http.Json
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-dependencies
...

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

Author: dependabot[bot]

src/TestableHttpClient/TestableHttpClient.csproj

@@ -33,8 +33,8 @@
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
-    <PackageReference Include="System.Text.Json" Version="4.7.2" />
-    <PackageReference Include="System.Text.Encodings.Web" Version="4.7.2" />
+    <PackageReference Include="System.Text.Json" Version="9.0.0" />
+    <PackageReference Include="System.Text.Encodings.Web" Version="9.0.0" />
     <PackageReference Include="Perfors.UnreachableException" Version="1.0.0" />
     <PackageReference Include="PolyKit.Embedded" Version="3.0.9" />
   </ItemGroup>

test/Directory.Build.targets

@@ -1,12 +1,12 @@
 <Project>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
-    <PackageReference Include="xunit" Version="2.9.2" />
+    <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.collector" Version="6.0.2">
+    <PackageReference Include="coverlet.collector" Version="6.0.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

test/TestableHttpClient.Tests/TestableHttpClient.Tests.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'">
-    <PackageReference Include="System.Net.Http.Json" Version="8.0.1" />
+    <PackageReference Include="System.Net.Http.Json" Version="9.0.0" />
   </ItemGroup>
 
   <ItemGroup>