chore(deps): update dependency @sourcegraph/eslint-config to ^0.28.0

Author: renovate-bot

package.json

@@ -49,7 +49,7 @@
   "devDependencies": {
     "@commitlint/cli": "^16.2.4",
     "@commitlint/config-conventional": "^16.2.4",
-    "@sourcegraph/eslint-config": "^0.27.1",
+    "@sourcegraph/eslint-config": "^0.28.0",
     "@sourcegraph/prettierrc": "^2.2.0",
     "@sourcegraph/tsconfig": "^4.0.1",
     "@types/mocha": "9.1.1",

yarn.lock

@@ -465,10 +465,10 @@
     into-stream "^4.0.0"
     lodash "^4.17.4"
 
-"@sourcegraph/eslint-config@^0.27.1":
-  version "0.27.1"
-  resolved "https://registry.yarnpkg.com/@sourcegraph/eslint-config/-/eslint-config-0.27.1.tgz#e09faeef5a027a8d26f76fc9b7963efe58ac1bc2"
-  integrity sha512-pcnsVJdH7q2CmNC7HCW/rNlSZe/rY9cBpWdclao9znqcDlHhIcSwo97eETiIwCzZgsatvYrGsz6prTJGwoh5kw==
+"@sourcegraph/eslint-config@^0.28.0":
+  version "0.28.0"
+  resolved "https://registry.yarnpkg.com/@sourcegraph/eslint-config/-/eslint-config-0.28.0.tgz#0fd600e8d75c1d5ea6d614010de996ba853e2ffa"
+  integrity sha512-lUb2Q3xbI0cys4tp6UNMPkAcCFkage7cvj9WWXK6OX4iv7q4gfPeABWDSezAFiXLyck76+JA81ux3OAGLYW9+Q==
   dependencies:
     "@sourcegraph/prettierrc" "^3.0.3"
     "@typescript-eslint/eslint-plugin" "^4.28.3"