Bump HtmlAgilityPack from 1.11.54 to 1.11.71

Bumps [HtmlAgilityPack](https://github.com/zzzprojects/html-agility-pack) from 1.11.54 to 1.11.71.
- [Release notes](https://github.com/zzzprojects/html-agility-pack/releases)
- [Commits](zzzprojects/html-agility-pack@v1.11.54...v1.11.71)

---
updated-dependencies:
- dependency-name: HtmlAgilityPack
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

DigitalLearningSolutions.Web.AutomatedUiTests/DigitalLearningSolutions.Web.AutomatedUiTests.csproj

@@ -10,7 +10,7 @@
     <PackageReference Include="FluentAssertions" Version="5.10.3" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="6.0.25" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="Selenium.Axe" Version="4.0.14" />
+    <PackageReference Include="Selenium.Axe" Version="4.0.20" />
     <PackageReference Include="Selenium.Support" Version="4.16.2" />
     <PackageReference Include="Selenium.WebDriver" Version="4.16.2" />
     <PackageReference Include="Selenium.WebDriver.ChromeDriver" Version="122.0.6261.11100" />