chore(deps): update dependency @sourcegraph/eslint-config to ^0.30.0

Author: renovate-bot

package.json

@@ -62,7 +62,7 @@
   "devDependencies": {
     "@commitlint/cli": "^16.2.4",
     "@commitlint/config-conventional": "^16.2.4",
-    "@sourcegraph/eslint-config": "^0.23.0",
+    "@sourcegraph/eslint-config": "^0.30.0",
     "@sourcegraph/prettierrc": "^3.0.3",
     "@sourcegraph/tsconfig": "^4.0.1",
     "@types/execa": "0.9.0",