.Net: Bump Markdig from 0.33.0 to 0.34.0 in /dotnet (microsoft#4363)

Bumps [Markdig](https://github.com/xoofx/markdig) from 0.33.0 to 0.34.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/xoofx/markdig/releases">Markdig's
releases</a>.</em></p>
<blockquote>
<h2>0.34.0</h2>
<h1>Changes</h1>
<h2>🐛 Bug Fixes</h2>
<ul>
<li>Make StringLineGroup returns a count limited Enumerator (PR <a
href="https://redirect.github.com/xoofx/markdig/issues/759">#759</a>) by
<a
href="https://github.com/Akarinnnnn"><code>@​Akarinnnnn</code></a></li>
<li>Fix source span calculation for LineBreakInline (PR <a
href="https://redirect.github.com/xoofx/markdig/issues/760">#760</a>) by
<a href="https://github.com/zickb"><code>@​zickb</code></a></li>
</ul>
<h2>🚀 Enhancements</h2>
<ul>
<li>Update Visual Studio editor link (PR <a
href="https://redirect.github.com/xoofx/markdig/issues/749">#749</a>) by
<a
href="https://github.com/michaelvolz"><code>@​michaelvolz</code></a></li>
<li>.NET 8.0 and a few other perf improvements (PR <a
href="https://redirect.github.com/xoofx/markdig/issues/751">#751</a>) by
<a href="https://github.com/MihaZupan"><code>@​MihaZupan</code></a></li>
<li>A few more perf improvements (PR <a
href="https://redirect.github.com/xoofx/markdig/issues/753">#753</a>) by
<a href="https://github.com/MihaZupan"><code>@​MihaZupan</code></a></li>
</ul>
<h2>🧰 Misc</h2>
<ul>
<li>Update packages (f52ecee0)</li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/xoofx/markdig/compare/0.33.0...0.34.0">0.33.0...0.34.0</a></p>
<p><!-- raw HTML omitted -->Published with <a
href="https://github.com/xoofx/dotnet-releaser/">dotnet-releaser</a><!--
raw HTML omitted --></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/xoofx/markdig/commit/f52ecee0b995200e234dc0fc275e2dcdedcdfca0"><code>f52ecee</code></a>
Update packages</li>
<li><a
href="https://github.com/xoofx/markdig/commit/a092ec23b32c6b41b59a73417333f3af0636c8d4"><code>a092ec2</code></a>
Merge pull request <a
href="https://redirect.github.com/xoofx/markdig/issues/760">#760</a>
from zickb/fix_source_span_calculation_for_linebreak_...</li>
<li><a
href="https://github.com/xoofx/markdig/commit/6f1dce63069c0a688f8e3921cadb538fa4d75829"><code>6f1dce6</code></a>
Fix last LineBreakInline source span in multi block scenario</li>
<li><a
href="https://github.com/xoofx/markdig/commit/040a778d87030de957b65b41f136c17214b88a7b"><code>040a778</code></a>
Merge pull request <a
href="https://redirect.github.com/xoofx/markdig/issues/759">#759</a>
from Akarinnnnn/fix-757</li>
<li><a
href="https://github.com/xoofx/markdig/commit/2ae2cf9263d5d0e3752ebf94b0021c5e8bf92d63"><code>2ae2cf9</code></a>
Add tests for non-boxed enumerator of <code>StringLineGroup</code>.</li>
<li><a
href="https://github.com/xoofx/markdig/commit/ba1e562d2fe7418efeb53f466712bbd6ad9c39f9"><code>ba1e562</code></a>
Fix complication error of <code>StringLineGroup</code>.</li>
<li><a
href="https://github.com/xoofx/markdig/commit/65a02e44ec8467a22cdf05125028e735e1d0cbe1"><code>65a02e4</code></a>
Add <code>Enumerator GetEnumerator()</code> for
<code>StringLineGroup</code></li>
<li><a
href="https://github.com/xoofx/markdig/commit/e78833ae30ac75c855979652e3da80369c360a77"><code>e78833a</code></a>
Update src/Markdig/Helpers/StringLineGroup.cs</li>
<li><a
href="https://github.com/xoofx/markdig/commit/2ab716bec1b2240c9ee2df8613dd460ecb1b26b1"><code>2ab716b</code></a>
Make StringLineGroup returns a count limited Enumerator</li>
<li><a
href="https://github.com/xoofx/markdig/commit/feeb1867cecc1cd9032b4ee51978d00669da42a1"><code>feeb186</code></a>
Merge pull request <a
href="https://redirect.github.com/xoofx/markdig/issues/753">#753</a>
from MihaZupan/perf-nov23-3</li>
<li>Additional commits viewable in <a
href="https://github.com/xoofx/markdig/compare/0.33.0...0.34.0">compare
view</a></li>
</ul>
</details>
<br />


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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Roger Barreto <[email protected]>

Author: dependabot[bot]

dotnet/Directory.Packages.props

@@ -10,7 +10,7 @@
     <PackageVersion Include="Azure.Monitor.OpenTelemetry.Exporter" Version="1.1.0" />
     <PackageVersion Include="Azure.Search.Documents" Version="11.5.1" />
     <PackageVersion Include="Handlebars.Net.Helpers" Version="2.4.1.3" />
-    <PackageVersion Include="Markdig" Version="0.33.0" />
+    <PackageVersion Include="Markdig" Version="0.34.0" />
     <PackageVersion Include="Handlebars.Net" Version="2.1.4" />
     <PackageVersion Include="JsonSchema.Net.Generation" Version="3.5.1" />
     <PackageVersion Include="Microsoft.Azure.Kusto.Data" Version="11.3.5" />