Bump HtmlAgilityPack from 1.11.18 to 1.11.19

Bumps [HtmlAgilityPack](https://github.com/zzzprojects/html-agility-pack) from 1.11.18 to 1.11.19.
- [Release notes](https://github.com/zzzprojects/html-agility-pack/releases)
- [Commits](https://github.com/zzzprojects/html-agility-pack/compare/v1.11.18...v1.11.19)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

ArchiSteamFarm/ArchiSteamFarm.csproj

@@ -57,7 +57,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="CryptSharpStandard" Version="1.0.0" />
-    <PackageReference Include="HtmlAgilityPack" Version="1.11.18" />
+    <PackageReference Include="HtmlAgilityPack" Version="1.11.19" />
     <PackageReference Include="Humanizer" Version="2.7.9" />
     <PackageReference Include="JetBrains.Annotations" Version="2019.1.3" />
     <PackageReference Include="Markdig.Signed" Version="0.18.1" />