Bump Markdig from 1.1.1 to 1.1.2 (#3041)

---
updated-dependencies:
- dependency-name: Markdig
  dependency-version: 1.1.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

Directory.Packages.props

@@ -77,7 +77,7 @@
     <PackageVersion Include="Github.Actions.Core" Version="9.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Logging" Version="10.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Logging.Console" Version="10.0.0" />
-    <PackageVersion Include="Markdig" Version="1.1.1" />
+    <PackageVersion Include="Markdig" Version="1.1.2" />
     <PackageVersion Include="Microsoft.IdentityModel.Tokens" Version="8.16.0" />
     <PackageVersion Include="ModelContextProtocol" Version="1.0.0" />
     <PackageVersion Include="ModelContextProtocol.AspNetCore" Version="1.0.0" />