Release: 11.6.0 (#102837)

* Update changelog

* Update version to 11.6.0

* point to next 11.6.1 instead of 11.6.0-pre

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Jeff Levin <jeff@levinology.com>

e2e/test-plugins/grafana-test-datasource/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@test-plugins/grafana-e2etest-datasource",
-  "version": "11.6.0-pre",
+  "version": "11.6.1",
   "private": true,
   "scripts": {
     "build": "webpack -c ./webpack.config.ts --env production",