General: update our PHP version requirements to PHP 7.0 #47789

Job	Run time
detect changed files	13s
Copied files are in sync	6s
Changelogger use	22s
Changelogger validity	54s
Project structure	1m 38s
PHP lint (7.0)	27s
PHP lint (7.2)	24s
PHP Code Sniffer (non-excluded files only)	1m 37s
PHP lint (7.4)	31s
PHP Compatibility	1m 3s
PHP lint (8.0)	36s
PHP lint (8.1)	32s
PHP lint (8.2)	29s
PHP Code Sniffer (changes to excluded files only)	19s
ESLint (non-excluded files only)	2m 14s
Check linter exclude lists	1m 50s
Lint GitHub Actions yaml files	27s
ESLint (changes to excluded files only)	0s
Lock files are up to date	2m 1s
Monorepo package version refs	1m 31s
	17m 14s

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