Drop support for node 10

Author: eexit

package.json

@@ -37,7 +37,7 @@
     "eslint": "$(npm bin)/eslint ."
   },
   "engines": {
-    "node": "^10.0.0 || ^12.0.0 || ^14.0.0"
+    "node": "^12.0.0 || ^14.0.0"
   },
   "dependencies": {
     "bluebird": "^3.7.0",