Bump @vue/cli-service from 4.5.8 to 4.5.9

Bumps [@vue/cli-service](https://github.com/vuejs/vue-cli/tree/HEAD/packages/@vue/cli-service) from 4.5.8 to 4.5.9.
- [Release notes](https://github.com/vuejs/vue-cli/releases)
- [Changelog](https://github.com/vuejs/vue-cli/blob/v4.5.9/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vue-cli/commits/v4.5.9/packages/@vue/cli-service)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package-lock.json

@@ -30,7 +30,7 @@
     "@vue/cli-plugin-babel": "^4.5.8",
     "@vue/cli-plugin-eslint": "^4.5.8",
     "@vue/cli-plugin-unit-mocha": "~4.5.8",
-    "@vue/cli-service": "^4.5.8",
+    "@vue/cli-service": "^4.5.9",
     "@vue/eslint-config-standard": "^4.0.0",
     "@vue/test-utils": "^1.1.1",
     "babel-eslint": "^10.1.0",