Bump OpenMcdf from 2.4.1 to 3.0.0 (#580)

---
updated-dependencies:
- dependency-name: OpenMcdf
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

src/Directory.Packages.props

@@ -7,7 +7,7 @@
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.2" />
     <PackageVersion Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
-    <PackageVersion Include="OpenMcdf" Version="2.4.1" />
+    <PackageVersion Include="OpenMcdf" Version="3.0.0" />
     <PackageVersion Include="Polyfill" Version="8.0.0-beta.2" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.155" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />