fix: manage when no valid token is provided

[emmanuelgautier]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 84.90566% with 8 lines in your changes are missing coverage. Please review.

Project coverage is 54.50%. Comparing base (d698481) to head (dc18e22).

Files	Patch %	Lines
internal/auth/security_scheme.go	0.00%	2 Missing ⚠️
scan/best_practices/http_cookies.go	33.33%	1 Missing and 1 partial ⚠️
scan/discover/graphql.go	33.33%	1 Missing and 1 partial ⚠️
scan/jwt/alg_none.go	77.77%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #98      +/-   ##
==========================================
+ Coverage   53.99%   54.50%   +0.51%     
==========================================
  Files          54       54              
  Lines        1439     1464      +25     
==========================================
+ Hits          777      798      +21     
- Misses        583      586       +3     
- Partials       79       80       +1     

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