chore(deps): bump Markdig from 0.30.4 to 0.35.0

Bumps [Markdig](https://github.com/xoofx/markdig) from 0.30.4 to 0.35.0.
- [Release notes](https://github.com/xoofx/markdig/releases)
- [Changelog](https://github.com/xoofx/markdig/blob/master/changelog.md)
- [Commits](xoofx/markdig@0.30.4...0.35.0)

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

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

src/BlazorDocs.SourceGenerators/BlazorDocs.SourceGenerators.csproj

@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="H.Generators.Extensions" Version="1.9.1" PrivateAssets="all" />
-    <PackageReference Include="Markdig" Version="0.30.4" PrivateAssets="all" />
+    <PackageReference Include="Markdig" Version="0.35.0" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>