Readme: PHP 8.4 is supported #207

Job	Run time
checks	14s
tests (7.2, prefer-lowest, ubuntu-latest)	10s
tests (7.2, prefer-lowest, windows-latest)	36s
tests (7.2, prefer-stable, ubuntu-latest)	11s
tests (7.2, prefer-stable, windows-latest)	31s
tests (7.3, prefer-lowest, ubuntu-latest)	14s
tests (7.3, prefer-lowest, windows-latest)	37s
tests (7.3, prefer-stable, ubuntu-latest)	15s
tests (7.3, prefer-stable, windows-latest)	32s
tests (7.4, prefer-lowest, ubuntu-latest)	9s
tests (7.4, prefer-lowest, windows-latest)	32s
tests (7.4, prefer-stable, ubuntu-latest)	11s
tests (7.4, prefer-stable, windows-latest)	30s
tests (8.0, prefer-lowest, ubuntu-latest)	13s
tests (8.0, prefer-lowest, windows-latest)	33s
tests (8.0, prefer-stable, ubuntu-latest)	10s
tests (8.0, prefer-stable, windows-latest)	32s
tests (8.1, prefer-lowest, ubuntu-latest)	9s
tests (8.1, prefer-lowest, windows-latest)	33s
tests (8.1, prefer-stable, ubuntu-latest)	10s
tests (8.1, prefer-stable, windows-latest)	34s
tests (8.2, prefer-lowest, ubuntu-latest)	13s
tests (8.2, prefer-lowest, windows-latest)	33s
tests (8.2, prefer-stable, ubuntu-latest)	9s
tests (8.2, prefer-stable, windows-latest)	33s
tests (8.3, prefer-lowest, ubuntu-latest)	11s
tests (8.3, prefer-lowest, windows-latest)	27s
tests (8.3, prefer-stable, ubuntu-latest)	9s
tests (8.3, prefer-stable, windows-latest)	36s
tests (8.4, prefer-lowest, ubuntu-latest)	14s
tests (8.4, prefer-lowest, windows-latest)	37s
tests (8.4, prefer-stable, ubuntu-latest)	10s
tests (8.4, prefer-stable, windows-latest)	34s
	12m 2s

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