Auto report closing doesn't update `updated_at`

[mdashlw]

philomena/lib/philomena/reports.ex

Lines 124 to 145 in b7a95ee

	def close_report_query({reportable_type, reportable_id} = _type_and_id, closing_user) do
	from r in Report,
	where:
	r.reportable_type == ^reportable_type and r.reportable_id == ^reportable_id and
	r.open == true,
	select: r.id,
	update: [set: [open: false, state: "closed", admin_id: ^closing_user.id]]
	end
	@doc """
	Closes all open reports for the given reportable type and ID, marking them as closed by the specified user.
	Also reindexes the affected reports.
	Returns `{:ok, {count, reports}}`.
	"""
	def close_reports(type_and_id, closing_user) do
	{_count, reports} =
	result = Repo.update_all(close_report_query(type_and_id, closing_user), [])
	reindex_reports(reports)
	{:ok, result}
	end