Update metal coat evolutions to link cable with steel move

Update metal coat evolutions to link cable with steel move; update Sooth Bell rate to be more common

src/data/pokemon-level-moves.ts

@@ -1532,6 +1532,7 @@ export const pokemonSpeciesLevelMoves: PokemonSpeciesLevelMoves = {
     [ 20, Moves.ROCK_SLIDE ],
     [ 24, Moves.SCREECH ],
     [ 28, Moves.SAND_TOMB ],
+    [ 30, Moves.IRON_DEFENSE ],
     [ 32, Moves.STEALTH_ROCK ],
     [ 36, Moves.SLAM ],
     [ 40, Moves.SANDSTORM ],
@@ -2025,6 +2026,7 @@ export const pokemonSpeciesLevelMoves: PokemonSpeciesLevelMoves = {
     [ 20, Moves.DOUBLE_HIT ],
     [ 24, Moves.SLASH ],
     [ 28, Moves.FOCUS_ENERGY ],
+    [ 30, Moves.STEEL_WING ],
     [ 32, Moves.AGILITY ],
     [ 36, Moves.AIR_SLASH ],
     [ 40, Moves.X_SCISSOR ],