Bump System.Text.Json from 7.0.1 to 7.0.2 in /Leaf2Google.Blazor/Client

Bumps [System.Text.Json](https://github.com/dotnet/runtime) from 7.0.1 to 7.0.2.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.1...v7.0.2)

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

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

Leaf2Google.Models/Leaf2Google.Models.csproj

@@ -14,7 +14,7 @@
   <ItemGroup>
     <PackageReference Include="Fido2.Models" Version="3.0.1" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="6.26.1" />
-    <PackageReference Include="System.Text.Json" Version="7.0.1" />
+    <PackageReference Include="System.Text.Json" Version="7.0.2" />
   </ItemGroup>
 
 </Project>