increase min php version #4

Job	Run time
Static Analysis	45s
Test VCS (fossil)	1m 18s
Test VCS (subversion)	1m 24s
CI (7.4, windows-latest)	1m 14s
CI (7.3, windows-latest)	1m 14s
CI (8.0, ubuntu-latest)	34s
CI (7.1, ubuntu-latest)	22s
CI (7.3, ubuntu-latest)	25s
CI (8.5, windows-latest)	1m 18s
CI (8.0, windows-latest)	1m 33s
CI (8.5, ubuntu-latest)	29s
CI (8.5, windows-latest)	1m 12s
CI (8.3, windows-latest)	1m 37s
CI (7.2, windows-latest)	1m 19s
CI (8.5, ubuntu-latest)	27s
CI (7.1, windows-latest)	55s
CI (8.4, ubuntu-latest)	30s
CI (8.2, ubuntu-latest)	34s
CI (8.3, ubuntu-latest)	26s
CI (7.2, ubuntu-latest)	34s
CI (8.4, windows-latest)	1m 16s
CI (7.4, ubuntu-latest)	34s
CI (8.2, windows-latest)	1m 19s
Test VCS (mercurial)	1s
Code coverage	-1s
Build Phar	-1s
Test Phar with PHP ${{ matrix.php-version }}	0s
Test Phar error message with PHP ${{ matrix.php-version }}	0s
	21m 18s

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