Bump System.Text.Json to 6.0.0, 6.0.10

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-version: 6.0.10
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pkgs/shared/common-json-net/src/LaunchDarkly.CommonSdk.JsonNet.csproj

@@ -38,7 +38,7 @@
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'net462'">
     <PackageReference Include="System.Collections.Immutable" Version="1.7.1" />
-    <PackageReference Include="System.Text.Json" Version="6.0.0" />
+    <PackageReference Include="System.Text.Json" Version="6.0.10" />
     <!-- it's a built-in package in net8.0 -->
   </ItemGroup>