Adding a docker-based dev env #67523

Job	Run time
detect changed files	11s
Copied files are in sync	5s
Changelogger use	28s
Changelogger validity	39s
Project structure	1m 35s
PHP lint (7.2)	26s
Check linter exclude lists	1m 47s
ESLint (non-excluded files only)	3m 25s
PHP lint (7.4)	31s
PHP lint (8.0)	36s
PHP lint (8.1)	37s
PHP lint (8.2)	34s
Lint GitHub Actions yaml files	24s
PHP lint (8.3)	34s
ESLint (changes to excluded files only)	0s
PHP lint (8.4)	30s
Lock files are up to date	1m 39s
Monorepo package version refs	1m 10s
PHP Compatibility	0s
PHP Code Sniffer (non-excluded files only)	0s
PHP Code Sniffer (changes to excluded files only)	0s
	15m 11s

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