Bump Argon from 0.17.0 to 0.19.0 in /src

Bumps [Argon](https://github.com/SimonCropp/Argon) from 0.17.0 to 0.19.0.
- [Release notes](https://github.com/SimonCropp/Argon/releases)
- [Commits](https://github.com/SimonCropp/Argon/commits/0.19.0)

---
updated-dependencies:
- dependency-name: Argon
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/Directory.Packages.props

@@ -4,7 +4,7 @@
     <CentralPackageTransitivePinningEnabled>false</CentralPackageTransitivePinningEnabled>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Argon" Version="0.17.0" />
+    <PackageVersion Include="Argon" Version="0.19.0" />
     <PackageVersion Include="Bogus" Version="35.6.0" />
     <PackageVersion Include="CountryData" Version="6.4.0" />
     <PackageVersion Include="GeoJSON.Net" Version="1.4.1" />