Bump rabbitMQ version to 3.8.34 #1040

Job	Run time
build phraseanet-db / build	22s
build phraseanet-fpm / build	4m 12s
build phraseanet-elasticsearch / build	26s
build phraseanet-nginx / build	27s
build phraseanet-setup / build	3m 45s
build phraseanet-worker / build	4m 6s
unit test	5m 17s
	18m 35s

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