chore(deps): update dependency eslint to v8

Author: renovate[bot]

package.json

@@ -53,7 +53,7 @@
     "@sourcegraph/prettierrc": "^2.2.0",
     "@sourcegraph/tsconfig": "^4.0.1",
     "@types/mocha": "9.1.1",
-    "eslint": "^7.32.0",
+    "eslint": "^8.27.0",
     "husky": "^2.1.0",
     "mocha": "^9.2.2",
     "nyc": "^14.1.0",