Bump the dependencies group across 1 directory with 2 updates

Bumps the dependencies group with 2 updates in the / directory: [@grafana/eslint-config](https://github.com/grafana/eslint-config-grafana) and [@grafana/plugin-e2e](https://github.com/grafana/plugin-tools/tree/HEAD/packages/plugin-e2e).


Updates `@grafana/eslint-config` from 7.0.0 to 8.0.0
- [Changelog](https://github.com/grafana/eslint-config-grafana/blob/master/CHANGELOG.md)
- [Commits](https://github.com/grafana/eslint-config-grafana/commits)

Updates `@grafana/plugin-e2e` from 1.11.1 to 1.12.1
- [Release notes](https://github.com/grafana/plugin-tools/releases)
- [Changelog](https://github.com/grafana/plugin-tools/blob/main/packages/plugin-e2e/CHANGELOG.md)
- [Commits](https://github.com/grafana/plugin-tools/commits/@grafana/plugin-e2e@1.12.1/packages/plugin-e2e)

---
updated-dependencies:
- dependency-name: "@grafana/eslint-config"
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: dependencies
- dependency-name: "@grafana/plugin-e2e"
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -20,8 +20,8 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@babel/core": "^7.26.0",
-    "@grafana/eslint-config": "^7.0.0",
-    "@grafana/plugin-e2e": "^1.11.0",
+    "@grafana/eslint-config": "^8.0.0",
+    "@grafana/plugin-e2e": "^1.12.1",
     "@grafana/tsconfig": "^2.0.0",
     "@playwright/test": "^1.48.2",
     "@swc/core": "^1.9.1",