Update ESI endpoint version

Author: DarkFenX

service/const.py

@@ -44,7 +44,7 @@ class EsiEndpoints(Enum):
     """
     CHAR = "/v5/characters/{character_id}/"
     CHAR_SKILLS = "/v4/characters/{character_id}/skills/"
-    CHAR_FITTINGS = "/v1/characters/{character_id}/fittings/"
+    CHAR_FITTINGS = "/v2/characters/{character_id}/fittings/"
     CHAR_DEL_FIT = "/v1/characters/{character_id}/fittings/{fitting_id}/"
     DYNAMIC_ITEM = "/v1/dogma/dynamic/items/{type_id}/{item_id}/"