Restrict access to `archives` storage account

Follow-up of #242

Lines 14 to 15 in cc99870

    
           # TODO: set to false and add a network rule allowing only the VPN as soon as this one has been deployed so we can access containers in the mean time. 
        
           public_network_access_enabled = true

	# TODO: set to false and add a network rule allowing only the VPN as soon as this one has been deployed so we can access containers in the mean time.
	public_network_access_enabled = true