Revert node-fetch to v2.x

Author: shbatm

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mmm-rtspstream",
-  "version": "2.0.4",
+  "version": "2.0.5",
   "description": "Magic Mirror 2 module to stream video from an RTSP stream",
   "main": "MMM-RTSPStream.js",
   "author": "shbatm",
@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "datauri": "^1.0.5",
-    "node-fetch": "^3.2.10",
+    "node-fetch": "^2.6.7",
     "node-rtsp-stream-es6": "github:shbatm/node-rtsp-stream-es6",
     "pm2": "^5.1.2",
     "ps-tree": "^1.1.0",
@@ -22,4 +22,4 @@
     "type": "git",
     "url": "git+https://github.com/shbatm/MMM-RTSPStream.git"
   }
-}
+}