build

Update to PHP 8.1 syntax #47

Job	Run time
Code Coverage (8.2, highest)	1m 19s
Coding Standards (8.1, highest)	44s
Dependency Analysis (8.1, highest, ^5.4)	1m 13s
Mutation tests (8.2, highest)	1m 21s
Dependency Analysis (8.1, highest, ^6.0)	1m 1s
Dependency Analysis (8.2, highest, ^5.4)	1m 3s
Static Code Analysis (8.1, highest, ^5.4)	54s
Dependency Analysis (8.2, highest, ^6.0)	1m 2s
Static Code Analysis (8.1, highest, ^6.0)	53s
Unit tests (8.1, lowest, ^5.4)	53s
Static Code Analysis (8.2, highest, ^5.4)	49s
Unit tests (8.1, lowest, ^6.0)	1m 0s
Static Code Analysis (8.2, highest, ^6.0)	47s
Unit tests (8.1, highest, ^5.4)	42s
Unit tests (8.1, highest, ^6.0)	41s
Unit tests (8.2, lowest, ^5.4)	1m 2s
Unit tests (8.2, lowest, ^6.0)	1m 1s
Unit tests (8.2, highest, ^5.4)	44s
Unit tests (8.2, highest, ^6.0)	43s
	17m 52s

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