fix(security): Force Imagick to only accept HEIC/HEIF images #42505

Job	Run time
changes	7s
integration-sqlite (collaboration_features, 8.4, main, master)	4m 29s
integration-sqlite (filesdrop_features, 8.4, main, master)	2m 1s
integration-sqlite (features, 8.4, main, master)	14m 17s
integration-sqlite (--tags ~@large files_features, 8.4, main, master)	20m 35s
integration-sqlite (openldap_features, 8.4, main, master)	2m 17s
integration-sqlite (dav_features, 8.4, main, master)	10m 31s
integration-sqlite (comments_features, 8.4, main, master)	3m 46s
integration-sqlite (file_conversions, 8.4, main, master)	2m 44s
integration-sqlite (capabilities_features, 8.4, main, master)	1m 50s
integration-sqlite (files_reminders, 8.4, main, master)	1m 37s
integration-sqlite (openldap_numerical_features, 8.4, main, master)	1m 50s
integration-sqlite (ldap_features, 8.4, main, master)	2m 6s
integration-sqlite (routing_features, 8.4, main, master)	2m 10s
integration-sqlite (sharees_features, 8.4, main, master)	14m 42s
integration-sqlite (federation_features, 8.4, main, master)	5m 23s
integration-sqlite (setup_features, 8.4, main, master)	1m 55s
integration-sqlite (sharing_features, 8.4, main, master)	23m 20s
integration-sqlite (remoteapi_features, 8.4, main, master)	1m 57s
integration-sqlite (theming_features, 8.4, main, master)	2m 27s
integration-sqlite (videoverification_features, 8.4, main, master)	6m 11s
integration-sqlite-summary	6s
	2h 6m 21s

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