chore(deps): update dependency @grafana/eslint-config to v9

| datasource | package                | from  | to    |
| ---------- | ---------------------- | ----- | ----- |
| npm        | @grafana/eslint-config | 8.2.0 | 9.0.0 |


Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

package.json

@@ -27,7 +27,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@babel/core": "^7.28.4",
-    "@grafana/eslint-config": "^8.2.0",
+    "@grafana/eslint-config": "^9.0.0",
     "@grafana/plugin-e2e": "^3.1.4",
     "@grafana/tsconfig": "^2.0.0",
     "@playwright/test": "^1.57.0",