build: remove postinstall script from the published package

This is as per Husky v5 documentation instructions: https://typicode.github.io/husky/#/?id=install.

Closes #142.

Author: jdbruijn

package-lock.json

@@ -9,6 +9,8 @@
   ],
   "scripts": {
     "postinstall": "husky install .github/husky",
+    "prepublishOnly": "pinst --disable",
+    "postpublish": "pinst --enable",
     "lint": "run-p format:check lint-es",
     "lint:fix": "run-s format lint-es:fix",
     "lint-es": "eslint --ext .ts,.tsx,.js,.jsx,.json .",
@@ -76,6 +78,7 @@
     "jest": "26.6.3",
     "lint-staged": "10.5.4",
     "npm-run-all": "4.1.5",
+    "pinst": "2.1.4",
     "prettier": "2.2.1",
     "semantic-release": "17.3.9",
     "ts-jest": "26.5.1",