Update dependency doctrine/coding-standard to v12

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
doctrine/coding-standard (source)	require-dev	major	^11.1.0 -> ^12.0.0

---

Release Notes

doctrine/coding-standard

### [`v12.0.0`](https://togithub.com/doctrine/coding-standard/releases/tag/12.0.0) [Compare Source](https://togithub.com/doctrine/coding-standard/compare/11.1.0...12.0.0) ##### Release Notes for [12.0.0](https://togithub.com/doctrine/coding-standard/milestone/28) Backwards incompatible release (major) ##### 12.0.0 - Total issues resolved: **0** - Total pull requests resolved: **4** - Total contributors: **2** ##### New rule - [311: Configure "SlevomatCodingStandard.Commenting.AnnotationName" rule](https://togithub.com/doctrine/coding-standard/pull/311) thanks to [@​phansys](https://togithub.com/phansys) - [310: Disallow string property fetch](https://togithub.com/doctrine/coding-standard/pull/310) thanks to [@​greg0ire](https://togithub.com/greg0ire) ##### Dependencies - [312: Bump "slevomat/coding-standard" to ^8.11](https://togithub.com/doctrine/coding-standard/pull/312) thanks to [@​phansys](https://togithub.com/phansys) ##### Improvement - [313: Set Bash explicitly as default shell in `Makefile`](https://togithub.com/doctrine/coding-standard/pull/313) thanks to [@​phansys](https://togithub.com/phansys)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

Read more about the use of Renovate Bot within ocramius/* projects.