updated: move esm to the project dependencies

Author: GianlucaGuarini

package-lock.json

@@ -35,7 +35,6 @@
     "coveralls": "^3.1.0",
     "eslint": "^7.18.0",
     "eslint-config-riot": "^3.0.0",
-    "esm": "^3.2.25",
     "mocha": "^8.2.1",
     "nyc": "^15.1.0"
   },
@@ -50,6 +49,7 @@
     "chalk": "^4.1.0",
     "chokidar": "^3.5.1",
     "cumpa": "^1.0.1",
+    "esm": "^3.2.25",
     "glob": "^7.1.6",
     "optionator": "^0.9.1",
     "rollup": "^2.38.0",