Update region/lowernorfair/east/Lower Norfair Spring Ball Maze Room.json

Co-authored-by: Michael McKenzie <mikemck101@gmail.com>

Author: blkerby

region/lowernorfair/east/Lower Norfair Spring Ball Maze Room.json

@@ -429,7 +429,7 @@
       "link": [3, 3],
       "name": "Open Door",
       "requires": [
-        {"heatFrames": 0}
+        {"heatFrames": 20}
       ],
       "clearsObstacles": ["C"]
     },