[v8.3.x] Update changelog and lockfile for 8.3.4 (#44168)

* ReleaseNotes: Updated changelog and release notes for 8.3.4 (#218)

(cherry picked from commit d5a5360328)

Co-authored-by: grafanabot <bot@grafana.com>
(cherry picked from commit de38ed8d67985c2da189007d44eaa17769c772ab)
(cherry picked from commit c39413645f)

* "Release: Updated versions in package to 8.3.4" (#216)

(cherry picked from commit 39d66dcc8af875313c99beda2f46fb9c6d5443fb)
(cherry picked from commit 82a2acf00b)

* Update lockfile

(cherry picked from commit a551d74b11)

Co-authored-by: Grot (@grafanabot) <43478413+grafanabot@users.noreply.github.com>

package.json

@@ -3,7 +3,7 @@
   "license": "AGPL-3.0-only",
   "private": true,
   "name": "grafana",
-  "version": "8.3.3",
+  "version": "8.3.4",
   "repository": "github:grafana/grafana",
   "scripts": {
     "api-tests": "jest --notify --watch --config=devenv/e2e-api-tests/jest.js",