chore(deps-dev): bump prettier from 2.8.4 to 2.8.6

Bumps [prettier](https://github.com/prettier/prettier) from 2.8.4 to 2.8.6.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@2.8.4...2.8.6)

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

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

package.json

@@ -70,7 +70,7 @@
     "gulp-jasmine": "4.0.0",
     "jasmine": "3.10.0",
     "jasmine-core": "3.10.1",
-    "prettier": "2.8.4",
+    "prettier": "2.8.6",
     "rimraf": "4.4.0",
     "rollup": "3.19.1",
     "rollup-plugin-prettier": "3.0.0",