ci: Add static analysis #4

Job	Run time
static_analysis (at_backupkey_flutter)	1m 21s
static_analysis (at_chat_flutter)	1m 9s
static_analysis (at_common_flutter)	1m 4s
static_analysis (at_contacts_flutter)	1m 15s
static_analysis (at_contacts_group_flutter)	1m 22s
static_analysis (at_events_flutter)	1m 29s
static_analysis (at_follows_flutter)	1m 13s
static_analysis (at_invitation_flutter)	1m 12s
static_analysis (at_location_flutter)	1m 13s
static_analysis (at_login_flutter)	1m 18s
static_analysis (at_notify_flutter)	1m 22s
static_analysis (at_onboarding_flutter)	1m 21s
static_analysis (at_sync_ui_flutter)	48s
static_analysis (at_theme_flutter)	1m 19s
	17m 26s

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