PHRAS-4112 bump base image to 1.2.1 / fix MP4Box #1120

Job	Run time
build phraseanet-fpm / build	30s
build phraseanet-fpm / build	5m 18s
build phraseanet-fpm / build	5m 18s
build phraseanet-fpm / build	5m 18s
build phraseanet-fpm / build	5m 18s
build phraseanet-nginx / build	30s
build phraseanet-nginx / build	30s
build phraseanet-nginx / build	30s
build phraseanet-nginx / build	30s
build phraseanet-nginx / build	3m 49s
build phraseanet-db / build	26s
build phraseanet-db / build	26s
build phraseanet-db / build	26s
build phraseanet-db / build	26s
build phraseanet-db / build	26s
build phraseanet-elasticsearch / build	25s
build phraseanet-elasticsearch / build	25s
build phraseanet-elasticsearch / build	25s
build phraseanet-elasticsearch / build	25s
build phraseanet-elasticsearch / build	25s
build phraseanet-setup / build	24s
build phraseanet-setup / build	24s
build phraseanet-setup / build	24s
build phraseanet-setup / build	5m 13s
build phraseanet-setup / build	5m 13s
build phraseanet-worker / build	21s
build phraseanet-worker / build	21s
build phraseanet-worker / build	5m 18s
build phraseanet-worker / build	5m 18s
build phraseanet-worker / build	5m 18s
unit test	0s
unit test	0s
unit test	0s
unit test	0s
unit test	5m 42s
	1h 5m 42s

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