Fix PHP 8.5 imagedestroy deprecation warning

[ElisDN]

Q	A
Is bugfix?	✔️
New feature?	❌
Breaks BC?	❌
Fixed issues

[codecov]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 78.15%. Comparing base (c32d24c) to head (b927122).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
framework/captcha/CaptchaAction.php	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #20689      +/-   ##
============================================
- Coverage     78.15%   78.15%   -0.01%     
- Complexity    11565    11566       +1     
============================================
  Files           376      376              
  Lines         30727    30728       +1     
============================================
  Hits          24016    24016              
- Misses         6711     6712       +1     

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[Arhell]

Please add a line for CHANGELOG

[ElisDN]

Please add a line for CHANGELOG

Done

[samdark]

Thanks!