chore(deps): update mattermost package dependencies #1185

Job	Run time
check-flavor	5s
validate (upgrade, registry1) / run	18m 6s
validate (install, upstream) / run	14m 38s
validate (install, unicorn) / run	14m 20s
validate (install, registry1) / run	16m 18s
validate (upgrade, unicorn) / run	13m 58s
validate (upgrade, upstream) / run	15m 14s
	1h 32m 39s

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