Bump AngleSharp from 1.3.0 to 1.4.0

---
updated-dependencies:
- dependency-name: AngleSharp
  dependency-version: 1.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/ProgressOnderwijsUtils/ProgressOnderwijsUtils.csproj

@@ -14,7 +14,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="AngleSharp" Version="1.3.0" />
+    <PackageReference Include="AngleSharp" Version="1.4.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.10" />
     <PackageReference Include="System.Drawing.Common" Version="9.0.10" />
     <PackageReference Include="System.Reactive" Version="6.1.0" />