Release: Bump version to 11.3.0-pre (#91863)

* bump version 11.3.0-pre

* fix linters with: yarn run prettier:write

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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Diego Augusto Molina <diegoaugustomolina@gmail.com>

package.json

@@ -3,7 +3,7 @@
   "license": "AGPL-3.0-only",
   "private": true,
   "name": "grafana",
-  "version": "11.2.0-pre",
+  "version": "11.3.0-pre",
   "repository": "github:grafana/grafana",
   "scripts": {
     "build": "NODE_ENV=production nx exec --verbose -- webpack --config scripts/webpack/webpack.prod.js",