Bump Selenium.WebDriver from 4.21.0 to 4.23.0 in /src

Bumps [Selenium.WebDriver](https://github.com/SeleniumHQ/selenium) from 4.21.0 to 4.23.0.
- [Release notes](https://github.com/SeleniumHQ/selenium/releases)
- [Commits](SeleniumHQ/selenium@selenium-4.21.0...selenium-4.23.0)

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

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

src/FlaUI.WebDriver.UITests/FlaUI.WebDriver.UITests.csproj

@@ -11,7 +11,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="NUnit" Version="4.1.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
-    <PackageReference Include="Selenium.WebDriver" Version="4.21.0" />
+    <PackageReference Include="Selenium.WebDriver" Version="4.23.0" />
     <PackageReference Include="coverlet.collector" Version="6.0.2">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>