chore(deps): update dependency @sourcegraph/eslint-config to ^0.29.0

Author: renovate-bot

package.json

@@ -49,7 +49,7 @@
   "devDependencies": {
     "@commitlint/cli": "^16.2.4",
     "@commitlint/config-conventional": "^16.2.4",
-    "@sourcegraph/eslint-config": "^0.23.0",
+    "@sourcegraph/eslint-config": "^0.29.0",
     "@sourcegraph/prettierrc": "^3.0.3",
     "@sourcegraph/tsconfig": "^4.0.1",
     "@types/mocha": "9.1.1",