Fix internal version

Fix the internal Fabric version, so that tools like "Mod Manager" (an add-on for Mod Manager), which check for this version number for updates.

src/main/resources/fabric.mod.json

@@ -2,7 +2,7 @@
   "schemaVersion": 1,
   "id": "blur",
   "name": "Blur (Fabric)",
-  "version": "2.1.0",
+  "version": "2.3.0",
   "environment": "client",
   "license": "MIT",
   "icon": "assets/blur/icon.png",
@@ -24,4 +24,4 @@
   "mixins": [
     "mixins.blur.json"
   ]
-}
+}