Support PHP 8.4

[roxblnfk]

🔍 What was changed

• Used Spiral Code Style
• Fixed PHP 8.4 deprecations
• Used common Cycle CI workflows

Related issue: cycle/database#213

[codecov]

Codecov Report

Attention: Patch coverage is 90.24793% with 59 lines in your changes missing coverage. Please review.

Project coverage is 91.59%. Comparing base (e42905c) to head (a6f46a3).
Report is 7 commits behind head on 2.x.

Files with missing lines	Patch %	Lines
src/Schema.php	61.53%	10 Missing ⚠️
src/ORM.php	70.58%	5 Missing ⚠️
src/Collection/DoctrineCollectionFactory.php	40.00%	3 Missing ⚠️
src/Collection/IlluminateCollectionFactory.php	25.00%	3 Missing ⚠️
src/Command/Traits/ErrorTrait.php	0.00%	3 Missing ⚠️
src/Select/AbstractLoader.php	85.00%	3 Missing ⚠️
src/Transaction/Pool.php	81.25%	3 Missing ⚠️
src/Collection/LoophpCollectionFactory.php	33.33%	2 Missing ⚠️
src/Command/Database/Update.php	50.00%	2 Missing ⚠️
src/Command/Special/MergeCommand.php	0.00%	2 Missing ⚠️
... and 19 more

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x     #501      +/-   ##
============================================
+ Coverage     91.52%   91.59%   +0.07%     
+ Complexity     1817     1814       -3     
============================================
  Files           115      115              
  Lines          4615     4642      +27     
============================================
+ Hits           4224     4252      +28     
+ Misses          391      390       -1     

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