chore(deps): bump docker/build-push-action from 6 to 7 #222

Job	Run time
Build and push PHP 8.0	4m 24s
Build and push PHP 8.4	5m 8s
Build and push PHP 7.4	4m 22s
Build and push PHP 8.1	4m 52s
Build and push mailhog	26s
Build and push newrelic-daemon	29s
Build and push redis	18s
Build and push nginx	23s
Build and push PHP 8.2	5m 1s
Build and push PHP 8.3	5m 20s
Build and push postfix	35s
Build and push mariadb	18s
Build and push nginx-proxy	28s
Build and push PHP 8.5	4m 51s
Build and push cron	21s
	37m 16s

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