Bump Markdig from 1.3.1 to 1.3.2

---
updated-dependencies:
- dependency-name: Markdig
  dependency-version: 1.3.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Directory.Packages.props

@@ -20,7 +20,7 @@
     <PackageVersion Include="Fake.Testing.ReportGenerator" Version="6.1.4" />
     <PackageVersion Include="Fake.Tools.Git" Version="6.1.4" />
     <PackageVersion Include="FSharp.Core" Version="9.0.303" />
-    <PackageVersion Include="Markdig" Version="1.3.1" />
+    <PackageVersion Include="Markdig" Version="1.3.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageVersion Include="NUnit" Version="4.6.1" />
     <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" />