fix(integration): imports from Material for Mkdocs blog plugin for type hint was breaking the build when using another theme

[Guts]

#408

[codecov]

Codecov Report

❌ Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 83.94%. Comparing base (ad842c0) to head (dcdeaf3).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
..._plugin/integrations/theme_material_blog_plugin.py	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #409      +/-   ##
==========================================
+ Coverage   83.92%   83.94%   +0.02%     
==========================================
  Files          11       11              
  Lines         765      766       +1     
  Branches      127      127              
==========================================
+ Hits          642      643       +1     
  Misses         81       81              
  Partials       42       42              

Flag	Coverage Δ
unittests	83.94% <75.00%> (+0.02%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
..._plugin/integrations/theme_material_blog_plugin.py	80.00% <75.00%> (+0.33%)	⬆️

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud