Update CheckStyle XML dtd link to one that exists (#8079)
Update CheckStyle XML dtd link to one that exists (#8079)


abelbriggs1/runelite,abelbriggs1/runelite,runelite/runelite,runelite/runelite,l2-/runelite,Sethtroll/runelite,abelbriggs1/runelite,Sethtroll/runelite,runelite/runelite,l2-/runelite