feat(DTFS2-7052): change husky install to same way as in DTFS project

Author: audrius-vaitonis

package.json

@@ -9,9 +9,9 @@
     "api-test": "jest --selectProjects=API",
     "build": "nest build -p tsconfig.build.json",
     "housekeeping": "npm update --save --legacy-peer-deps && npm i --legacy-peer-deps && npm audit --fix && npm run spellcheck",
+    "postinstall": "husky install",
     "lint": "eslint . --ext .ts",
     "lint:fix": "eslint . --ext .ts --fix",
-    "prepare": "husky",
     "spellcheck": "cspell lint --gitignore --no-must-find-files --unique --no-progress --show-suggestions --color '**/*'",
     "start": "nest start",
     "start:debug": "nest start --debug --watch",