Use build_from_crawler on Scrapy 2.12+

[Gallaecio]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.90%. Comparing base (cc3cfdd) to head (eba459f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #237   +/-   ##
=======================================
  Coverage   97.89%   97.90%           
=======================================
  Files          14       14           
  Lines        1618     1622    +4     
  Branches      297      297           
=======================================
+ Hits         1584     1588    +4     
  Misses         14       14           
  Partials       20       20           

Files with missing lines	Coverage Δ
scrapy_zyte_api/_request_fingerprinter.py	98.36% <100.00%> (+0.02%)	⬆️
scrapy_zyte_api/_session.py	100.00% <100.00%> (ø)
scrapy_zyte_api/handler.py	95.26% <100.00%> (ø)
scrapy_zyte_api/utils.py	100.00% <100.00%> (ø)