Update dependency @prettier/plugin-php to ^0.21.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@prettier/plugin-php	^0.20.1 -> ^0.21.0

---

Release Notes

prettier/prettier-php (@​prettier/plugin-php)

### [`v0.21.0`](https://togithub.com/prettier/plugin-php/releases/tag/v0.21.0): 0.21.0 [Compare Source](https://togithub.com/prettier/prettier-php/compare/v0.20.1...v0.21.0) - fix(match): Indent match conditions ([#​2258](https://togithub.com/prettier/prettier-php/issues/2258), thanks [@​claytonrcarter](https://togithub.com/claytonrcarter)!) - chore!: upgrade dependencies ([#​2262](https://togithub.com/prettier/prettier-php/issues/2262)) #### Breaking changes This release drops support for node v14.

---

Configuration

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

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, 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

---

This PR has been generated by Mend Renovate. View repository job log here.

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication