Bump System.Text.Json from 7.0.1 to 7.0.3 (#414)

Bumps [System.Text.Json](https://github.com/dotnet/runtime) from 7.0.1 to 7.0.3.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.1...v7.0.3)

---
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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Steve Smith <steve@kentsmiths.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -23,7 +23,7 @@
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageVersion Include="protobuf-net" Version="3.1.26" />
     <PackageVersion Include="SonarAnalyzer.CSharp" Version="8.51.0.59060" />
-    <PackageVersion Include="System.Text.Json" Version="7.0.1" />
+    <PackageVersion Include="System.Text.Json" Version="7.0.3" />
     <PackageVersion Include="Utf8Json" Version="1.3.7" />
     <PackageVersion Include="xunit" Version="2.4.2" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.4.5" />