build(deps-dev): bump prettier from 2.5.1 to 2.6.0

Bumps [prettier](https://github.com/prettier/prettier) from 2.5.1 to 2.6.0.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@2.5.1...2.6.0)

---
updated-dependencies:
- dependency-name: prettier
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -46,7 +46,7 @@
     "eslint-plugin-prettier": "^3.4.1",
     "eslint-plugin-vue": "^7.20.0",
     "flush-promises": "^1.0.2",
-    "prettier": "^2.5.1",
+    "prettier": "^2.6.0",
     "sass": "^1.26.5",
     "sass-loader": "^12.6.0",
     "typescript": "~4.3.2",