Update dependency eslint-webpack-plugin to v5 (#109230)

* Update dependency eslint-webpack-plugin to v5

* set failOnError: false to match previous behaviour

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Ashley Harrison <ashley.harrison@grafana.com>

package.json

@@ -199,7 +199,7 @@
     "eslint-plugin-testing-library": "^7.0.0",
     "eslint-plugin-unicorn": "^56.0.0",
     "eslint-scope": "^8.1.0",
-    "eslint-webpack-plugin": "4.2.0",
+    "eslint-webpack-plugin": "5.0.2",
     "expose-loader": "5.0.1",
     "fishery": "^2.2.2",
     "fork-ts-checker-webpack-plugin": "9.1.0",