Tests

Bump actions/cache from 3 to 4 #53

Job	Run time
Static analysis	31s
PHP 8.1 on ubuntu-latest (highest)	19s
PHP 8.1 on ubuntu-latest (lowest)	29s
PHP 8.2 on ubuntu-latest (highest)	31s
PHP 8.2 on ubuntu-latest (lowest)	23s
PHP 8.3 on ubuntu-latest (highest)	24s
PHP 8.3 on ubuntu-latest (lowest)	21s
PHP 8.1 on windows-latest (highest)	40s
PHP 8.1 on windows-latest (lowest)	39s
PHP 8.2 on windows-latest (highest)	43s
PHP 8.2 on windows-latest (lowest)	55s
PHP 8.3 on windows-latest (highest)	44s
PHP 8.3 on windows-latest (lowest)	38s
PHP 8.1 on macos-latest (highest)	1m 16s
PHP 8.1 on macos-latest (lowest)	1m 7s
PHP 8.2 on macos-latest (highest)	1m 2s
PHP 8.2 on macos-latest (lowest)	53s
PHP 8.3 on macos-latest (highest)	32s
PHP 8.3 on macos-latest (lowest)	18s
	12m 25s

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