Tests

Update readme to reflect new minimum php version #416

Job	Run time
Tests P8.2 - ubuntu-latest - prefer-lowest (Symfony ^6.4)	42s
Tests P8.2 - ubuntu-latest - prefer-stable (Symfony ^6.4)	45s
Tests P8.2 - ubuntu-latest - prefer-lowest (Symfony ^7.2)	50s
Tests P8.2 - ubuntu-latest - prefer-stable (Symfony ^7.2)	41s
Tests P8.3 - ubuntu-latest - prefer-lowest (Symfony ^6.4)	1m 54s
Tests P8.3 - ubuntu-latest - prefer-stable (Symfony ^6.4)	44s
Tests P8.3 - ubuntu-latest - prefer-lowest (Symfony ^7.2)	47s
Tests P8.3 - ubuntu-latest - prefer-stable (Symfony ^7.2)	41s
Tests P8.4 - ubuntu-latest - prefer-lowest (Symfony ^6.4)	45s
Tests P8.4 - ubuntu-latest - prefer-stable (Symfony ^6.4)	42s
Tests P8.4 - ubuntu-latest - prefer-lowest (Symfony ^7.2)	45s
Tests P8.4 - ubuntu-latest - prefer-stable (Symfony ^7.2)	37s
Tests P8.2 - macos-latest - prefer-lowest (Symfony ^6.4)	1m 44s
Tests P8.2 - macos-latest - prefer-stable (Symfony ^6.4)	1m 32s
Tests P8.2 - macos-latest - prefer-lowest (Symfony ^7.2)	1m 50s
Tests P8.2 - macos-latest - prefer-stable (Symfony ^7.2)	1m 53s
Tests P8.3 - macos-latest - prefer-lowest (Symfony ^6.4)	2m 0s
Tests P8.3 - macos-latest - prefer-stable (Symfony ^6.4)	2m 22s
Tests P8.3 - macos-latest - prefer-lowest (Symfony ^7.2)	1m 42s
Tests P8.3 - macos-latest - prefer-stable (Symfony ^7.2)	1m 44s
Tests P8.4 - macos-latest - prefer-lowest (Symfony ^6.4)	1m 48s
Tests P8.4 - macos-latest - prefer-stable (Symfony ^6.4)	2m 16s
Tests P8.4 - macos-latest - prefer-lowest (Symfony ^7.2)	2m 12s
Tests P8.4 - macos-latest - prefer-stable (Symfony ^7.2)	2m 27s
	33m 23s

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