[TASK] Upgrade to PHPStan 2.x and Rector 2.x (#1376) #2317

Job	Run time
Composer Validate (8.3)	19s
PHP Lint (7.3)	7s
PHP Lint (7.4)	7s
PHP Lint (8.0)	9s
PHP Lint (8.1)	8s
PHP Lint (8.2)	8s
PHP Lint (8.3)	9s
PHP Lint (8.4)	11s
Static Analysis (composer:normalize, 8.3)	19s
Unit tests (7.3, lowest)	53s
Static Analysis (php:fixer, 8.3)	20s
Unit tests (7.3, highest)	16s
Static Analysis (php:md, 8.3)	19s
Unit tests (7.4, lowest)	16s
Static Analysis (php:rector, 8.3)	34s
Unit tests (7.4, highest)	16s
Static Analysis (php:stan, 8.3)	33s
Unit tests (8.0, lowest)	19s
Unit tests (8.0, highest)	16s
Unit tests (8.1, lowest)	40s
Unit tests (8.1, highest)	22s
Unit tests (8.2, lowest)	18s
Unit tests (8.2, highest)	16s
Unit tests (8.3, lowest)	24s
Unit tests (8.3, highest)	19s
Unit tests (8.4, lowest)	24s
Unit tests (8.4, highest)	25s
	8m 47s

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