Enhancement: Add support for PHP 8.4 #3117

Job	Run time
Code Coverage (8.1, locked)	25s
Coding Standards (8.1, locked)	13s
Backward-Compatibility Analysis (8.1, locked)	13s
Dependency Analysis (8.1, locked)	39s
Mutation Tests (8.1, locked)	18s
Security Analysis (8.1, locked)	22s
Refactoring (8.1, locked)	19s
Static Code Analysis (8.1, locked)	13s
Tests (8.1, lowest)	24s
Tests (8.1, locked)	15s
Tests (8.1, highest)	14s
Tests (8.2, lowest)	17s
Tests (8.2, locked)	26s
Tests (8.2, highest)	22s
Tests (8.3, lowest)	22s
Tests (8.3, locked)	12s
Tests (8.3, highest)	25s
Tests (8.4, lowest)	22s
Tests (8.4, locked)	20s
Tests (8.4, highest)	17s
	6m 38s

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