Bump prettier-config-cityssm from 1.0.0 to 2.1.0

Bumps [prettier-config-cityssm](https://github.com/cityssm/prettier-config-cityssm) from 1.0.0 to 2.1.0.
- [Release notes](https://github.com/cityssm/prettier-config-cityssm/releases)
- [Commits](cityssm/prettier-config-cityssm@v1.0.0...v2.1.0)

---
updated-dependencies:
- dependency-name: prettier-config-cityssm
  dependency-version: 2.1.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]