chore: add prerelease flag to publish script

Author: eddyerburgh

Diff for: package.json

@@ -18,7 +18,7 @@
     "lint:docs": "eslint --ext js,vue,md docs --ignore-path .gitignore",
     "lint:fix": "npm run lint -- --fix",
     "prepublishOnly": "npm run build && npm run test:unit:only",
-    "publish": "lerna publish --conventional-commits -m \"chore(release): publish %s\"",
+    "publish": "lerna publish --conventional-commits -m \"chore(release): publish %s\" --cd-version prerelease",
     "test": "npm run lint && npm run lint:docs && npm run flow && npm run test:types && npm run test:unit && npm run test:unit:karma && npm run test:unit:node",
     "test:compat": "scripts/test-compat.sh",
     "test:unit": "npm run build:test && npm run test:unit:only",