Simplify/update some dev dependencies versions

Author: MoOx

package.json

@@ -39,11 +39,11 @@
     "release": "npmpub"
   },
   "devDependencies": {
-    "bs-platform": "^7.0.1",
-    "husky": "^3.1.0",
-    "lint-staged": "^10.1.1",
+    "bs-platform": "^8.0.0",
+    "husky": "^4.0.0",
+    "lint-staged": "^10.0.0",
     "npmpub": "^5.0.0",
-    "prettier": "^1.19.1"
+    "prettier": "^2.0.0"
   },
   "prettier": {
     "trailingComma": "all",