Bump System.Text.Json from 10.0.7 to 10.0.8

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-version: 10.0.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: system
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -5,7 +5,7 @@
   <ItemGroup>
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.300" />
     <PackageVersion Include="Microsoft.SourceLink.AzureRepos.Git" Version="10.0.300" />
-    <PackageVersion Include="System.Text.Json" Version="10.0.7" />
+    <PackageVersion Include="System.Text.Json" Version="10.0.8" />
     <PackageVersion Include="ktsu.Semantics.Strings" Version="1.0.35" />
     <PackageVersion Include="Polyfill" Version="10.5.1" />
   </ItemGroup>