chore(): rename prepublish to prepublish only

Author: kamilmysliwiec

package.json

@@ -36,7 +36,7 @@
     "lint:spec": "eslint 'packages/**/**.spec.ts' -c '.eslintrc.spec.js'",
     "prerelease": "gulp copy-misc && gulp build --dist node_modules/@nestjs",
     "publish": "npm run prerelease && npm run build:prod && ./node_modules/.bin/lerna publish --force-publish --access public --exact -m \"chore(@nestjs) publish %s release\"",
-    "prepublish": "npm run changelog | pbcopy",
+    "prepublishOnly": "npm run changelog | pbcopy",
     "publish:beta": "npm run prerelease && npm run build:prod && ./node_modules/.bin/lerna publish --npm-tag=beta --access public -m \"chore(@nestjs) publish %s release\"",
     "publish:next": "npm run prerelease && npm run build:prod && ./node_modules/.bin/lerna publish --npm-tag=next --access public --skip-git -m \"chore(@nestjs) publish %s release\"",
     "publish:rc": "npm run prerelease && npm run build:prod && ./node_modules/.bin/lerna publish --npm-tag=rc --access public -m \"chore(@nestjs) publish %s release\"",