api core: fix cors env variable (#358)

package.json

@@ -1,7 +1,7 @@
 {
     "name": "cobalt",
     "description": "save what you love",
-    "version": "7.10.2",
+    "version": "7.10.3",
     "author": "wukko",
     "exports": "./src/cobalt.js",
     "type": "module",

src/core/api.js

@@ -15,7 +15,7 @@ import { verifyStream } from "../modules/stream/manage.js";
 
 export function runAPI(express, app, gitCommit, gitBranch, __dirname) {
     const corsConfig = process.env.cors === '0' ? {
-        origin: process.env.webURL,
+        origin: process.env.CORS_URL,
         optionsSuccessStatus: 200
     } : {};