Bump Markdig from 0.44.0 to 1.0.0

---
updated-dependencies:
- dependency-name: Markdig
  dependency-version: 1.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

KustoSchemaTools/KustoSchemaTools.csproj

@@ -11,7 +11,7 @@
   <ItemGroup>
 	<PackageReference Include="DiffPlex" Version="1.9.0" />
     <PackageReference Include="Kusto.Toolkit" Version="2.2.0" />
-    <PackageReference Include="Markdig" Version="0.44.0" />
+    <PackageReference Include="Markdig" Version="1.0.0" />
     <PackageReference Include="Microsoft.Azure.Kusto.Data" Version="14.1.0" />
     <PackageReference Include="Microsoft.Azure.Kusto.Ingest" Version="14.1.0" />
     <PackageReference Include="Microsoft.Azure.Kusto.Language" Version="12.3.2" />