chore(deps): update dependency @sourcegraph/prettierrc to ^3.0.3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
@sourcegraph/prettierrc	devDependencies	patch	^3.0.3	source

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Release Notes

sourcegraph/prettierrc

### [`v3.0.3`](https://togithub.com/sourcegraph/prettierrc/compare/v3.0.2...v3.0.3) [Compare Source](https://togithub.com/sourcegraph/prettierrc/compare/v3.0.2...v3.0.3)

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[codecov-io]

Codecov Report

Merging #667 into master will not change coverage by %. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #667   +/-   ##
=======================================
  Coverage   82.40%   82.40%           
=======================================
  Files          15       15           
  Lines        2126     2126           
  Branches      509      448   -61     
=======================================
  Hits         1752     1752           
  Misses        364      364           
  Partials       10       10           

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