Bump HtmlAgilityPack from 1.11.72 to 1.12.4

---
updated-dependencies:
- dependency-name: HtmlAgilityPack
  dependency-version: 1.12.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -23,7 +23,7 @@
     <PackageVersion Include="Microsoft.ApplicationInsights.Profiler.AspNetCore" Version="2.6.0" />
     <PackageVersion Include="coverlet.collector" Version="6.0.4" />
     <PackageVersion Include="EssentialCSharp.Shared.Models" Version="$(ToolingPackagesVersion)" />
-    <PackageVersion Include="HtmlAgilityPack" Version="1.11.72" />
+    <PackageVersion Include="HtmlAgilityPack" Version="1.12.4" />
     <PackageVersion Include="IntelliTect.Multitool" Version="1.5.3" />
     <PackageVersion Include="Mailjet.Api" Version="3.0.0" />
     <PackageVersion Include="Microsoft.AspNetCore.Authentication.MicrosoftAccount" Version="8.0.12" />