feat(balance): increase sippy cup volume, sizzurp container change (#8273)

* Add files via upload

* Add files via upload

* Add files via upload

Author: DeinonychusDiscord

data/json/items/comestibles/med.json

@@ -1120,7 +1120,7 @@
     "symbol": "~",
     "color": "pink",
     "phase": "liquid",
-    "container": "styrofoam_cup",
+    "container": "sippy_cup",
     "vitamins": [ [ "junk_allergen", 1 ] ],
     "fun": 35,
     "stim": -1,

data/json/items/generic/dining_kitchen.json

@@ -318,7 +318,7 @@
     "proportional": { "weight": 0.4, "volume": 0.5 },
     "description": "A plastic cup with a spill-proof lid, designed for use by children.",
     "copy-from": "base_plastic_dish",
-    "container_data": { "contains": "250 ml", "watertight": true, "seals": true },
+    "container_data": { "contains": "500 ml", "watertight": true, "seals": true },
     "qualities": [ [ "CONTAIN", 1 ] ],
     "snippet_category": [
       { "id": "sippycup1", "text": "This cup is decorated with cartoon bears." },