chore(deps): update dependency @sourcegraph/prettierrc to v3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
@​sourcegraph/prettierrc	devDependencies	major	^3.0.0	source

---

Release Notes

sourcegraph/prettierrc

### [`v3.0.0`](https://togithub.com/sourcegraph/prettierrc/compare/v2.2.0...v3.0.0) [Compare Source](https://togithub.com/sourcegraph/prettierrc/compare/v2.2.0...v3.0.0)

---

Renovate configuration

:date: Schedule: "" in timezone America/Los_Angeles.

:vertical_traffic_light: Automerge: Enabled.

:recycle: Rebasing: Whenever PR becomes conflicted, or if you modify the PR title to begin with "rebase!".

:no_bell: 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 Renovate Bot. View repository job log here.

[codecov-io]

Codecov Report

Merging #605 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #605   +/-   ##
=======================================
  Coverage   83.09%   83.09%           
=======================================
  Files          15       15           
  Lines        2058     2058           
  Branches      423      423           
=======================================
  Hits         1710     1710           
  Misses        346      346           
  Partials        2        2

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 26a4ac1...e1d642e. Read the comment docs.