Update prettier to version 2.5.0

Author: depfu[bot]

package.json

@@ -61,7 +61,7 @@
     "node-version-check": "^2.2.0",
     "nyc": "^15.0.0",
     "offline-github-changelog": "^1.6.1",
-    "prettier": "~2.4.0",
+    "prettier": "~2.5.0",
     "rollup": "^2.0.3",
     "rollup-plugin-commonjs": "^10.0.0",
     "rollup-plugin-multi-entry": "^2.1.0",