Increased volume and length of western holster to accommodate other r…

…evolvers (#48532) (#49883)

* Incresed volume of western holster main pocket to 850ml (#48532)

* Increased volume and length of pocket in western holster (#48532)

* Tweked volume slightly to fit Lemat revolver

data/json/items/armor/holster.json

@@ -210,9 +210,9 @@
         "pocket_type": "CONTAINER",
         "holster": true,
         "min_item_volume": "100 ml",
-        "max_contains_volume": "400 ml",
+        "max_contains_volume": "855 ml",
         "max_contains_weight": "2 kg",
-        "max_item_length": "25 cm",
+        "max_item_length": "38 cm",
         "moves": 30
       },
       {