Update dependency @sourcegraph/prettierrc to ^3.0.3 (#349)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package.json

@@ -20,7 +20,7 @@
     "build": "yarn run build-ts"
   },
   "devDependencies": {
-    "@sourcegraph/prettierrc": "^3.0.2",
+    "@sourcegraph/prettierrc": "^3.0.3",
     "@sourcegraph/tsconfig": "^4.0.0",
     "@sourcegraph/tslint-config": "^13.4.0",
     "@types/express": "4.17.3",

yarn.lock

@@ -864,10 +864,10 @@
   resolved "https://registry.npmjs.org/@sindresorhus/is/-/is-2.1.0.tgz#6ad4ca610f696098e92954ab431ff83bea0ce13f"
   integrity sha512-lXKXfypKo644k4Da4yXkPCrwcvn6SlUW2X2zFbuflKHNjf0w9htru01bo26uMhleMXsDmnZ12eJLdrAZa9MANg==
 
-"@sourcegraph/prettierrc@^3.0.2":
-  version "3.0.2"
-  resolved "https://registry.npmjs.org/@sourcegraph/prettierrc/-/prettierrc-3.0.2.tgz#a8fb80ed5712a59cd60eb62f0969090ebc386a80"
-  integrity sha512-HCEKIIgOLap22yvnMcr+v6X/1LK6LuVd5MhGLxjYsb7irI2KNEQpalR5SKjsfYPawzVcgCPu1QsD0Oy4iGdPuA==
+"@sourcegraph/prettierrc@^3.0.3":
+  version "3.0.3"
+  resolved "https://registry.npmjs.org/@sourcegraph/prettierrc/-/prettierrc-3.0.3.tgz#51bfa9b2588fe35121593fa877143e6373028289"
+  integrity sha512-FQ1/Ued4I02R0JkrHHofDN163juVxUnPALzfxPZrDZUHv+c3jHjfZhmTHEz+Wd+g3b7MFk0fkj36nZSnvPyU8A==
 
 "@sourcegraph/tsconfig@^4.0.0":
   version "4.0.0"