fix header image extension check

[gounux]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 67.07%. Comparing base (3ca5763) to head (9fcdc33).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #231      +/-   ##
==========================================
+ Coverage   66.46%   67.07%   +0.61%     
==========================================
  Files          43       43              
  Lines        2016     2017       +1     
  Branches      362      362              
==========================================
+ Hits         1340     1353      +13     
+ Misses        593      579      -14     
- Partials       83       85       +2     

Flag	Coverage Δ
unittests	66.78% <50.00%> (+0.61%)	⬆️

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

Files	Coverage Δ
geotribu_cli/content/header_check.py	45.71% <50.00%> (+9.02%)	⬆️

[sonarcloud]

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 SonarCloud