Bump Cluster Applications version which includes:

Cilium fix for GKE, GitLab Runner updates and
Docker daemon version bump.

Changelog: fixed
MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/62117

lib/gitlab/ci/templates/Managed-Cluster-Applications.gitlab-ci.yml

 apply:
   stage: deploy
-  image: "registry.gitlab.com/gitlab-org/cluster-integration/cluster-applications:v0.40.0"
+  image: "registry.gitlab.com/gitlab-org/cluster-integration/cluster-applications:v0.43.1"
   environment:
     name: production
   variables: