chore: add conventional-changelog-conventionalcommits for changelog generator

Author: KazuCocoa

package.json

@@ -90,6 +90,7 @@
     "babel-plugin-source-map-support": "^2.2.0",
     "chai": "^4.1.2",
     "chai-as-promised": "^7.1.1",
+    "conventional-changelog-conventionalcommits": "^5.0.0",
     "eslint": "^7.32.0",
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-import": "^2.26.0",