fix: https repo url

Author: AVVS

package.json

@@ -56,7 +56,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "http://github.com/avvs/node-ffi-napi.git"
+    "url": "https://github.com/avvs/node-ffi-napi.git"
   },
   "bugs": {
     "url": "http://github.com/node-ffi-napi/node-ffi-napi/issues"