Update dependency eslint-config-problems to v8 (#523)

* Update dependency eslint-config-problems to v8

* Bump minimum required eslint version

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Ryan Zimmerman <[email protected]>

Author: renovate[bot]

package.json

@@ -28,8 +28,8 @@
   "devDependencies": {
     "ava": "^5.0.0",
     "c8": "^8.0.0",
-    "eslint": "^8.2.0",
-    "eslint-config-problems": "^7.0.0",
+    "eslint": "^8.27.0",
+    "eslint-config-problems": "^8.0.0",
     "eslint-plugin-prettier": "^4.0.0",
     "postcss": "^8.0.0",
     "postcss-scss": "^4.0.0",