update version in appyter.json

Author: lilydtaub

appyters/Drug_Gene_Budger2/appyter.json

@@ -2,7 +2,7 @@
     "$schema": "https://raw.githubusercontent.com/MaayanLab/appyter-catalog/main/schema/appyter-validator.json",
     "name": "Drug_Gene_Budger2",
     "title": "Dr. Gene Budger (DGB) 2",
-    "version": "0.0.3",
+    "version": "0.0.4",
     "description": "An appyter that retrieves drugs that up-regulate and down-regulate a single input gene across Connectivity Mapping datasets",
     "image": "dgb_logo.png",
     "authors": [