Tests

Run tests on PHP 8.3 (#9) #52

Job	Run time
Static analysis	18s
PHP 8.1 on ubuntu-latest (highest)	20s
PHP 8.1 on ubuntu-latest (lowest)	19s
PHP 8.2 on ubuntu-latest (highest)	17s
PHP 8.2 on ubuntu-latest (lowest)	15s
PHP 8.3 on ubuntu-latest (highest)	16s
PHP 8.3 on ubuntu-latest (lowest)	17s
PHP 8.1 on windows-latest (highest)	39s
PHP 8.1 on windows-latest (lowest)	46s
PHP 8.2 on windows-latest (highest)	30s
PHP 8.2 on windows-latest (lowest)	24s
PHP 8.3 on windows-latest (highest)	32s
PHP 8.3 on windows-latest (lowest)	29s
PHP 8.1 on macos-latest (highest)	1m 47s
PHP 8.1 on macos-latest (lowest)	1m 7s
PHP 8.2 on macos-latest (highest)	22s
PHP 8.2 on macos-latest (lowest)	47s
PHP 8.3 on macos-latest (highest)	1m 58s
PHP 8.3 on macos-latest (lowest)	17s
	11m 40s

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