Kubelet csr approver (#9877)

* chore(helm-apps): fix README example

README shows a non-working example according to the specs for this role.

* Add support for kubelet-csr-approver

Co-Authored-By: Arthur Outhenin-Chalandre <arthur.outhenin-chalandre@proton.ch>

* Add tests for kubelet-csr-approver

Co-Authored-By: Arthur Outhenin-Chalandre <arthur.outhenin-chalandre@proton.ch>

* Add Documentation for Kubelet CSR Approver

Co-Authored-By: Arthur Outhenin-Chalandre <arthur.outhenin-chalandre@proton.ch>

---------

Co-authored-by: Arthur Outhenin-Chalandre <arthur.outhenin-chalandre@proton.ch>

roles/kubernetes-apps/kubelet-csr-approver/meta/main.yml

@@ -0,0 +1,20 @@
+---
+dependencies:
+  - role: helm-apps
+    when:
+      - inventory_hostname == groups['kube_control_plane'][0]
+      - kubelet_csr_approver_enabled
+    environment:
+      http_proxy: "{{ http_proxy | default('') }}"
+      https_proxy: "{{ https_proxy | default('') }}"
+    release_common_opts: {}
+    releases:
+      - name: kubelet-csr-approver
+        namespace: "{{ kubelet_csr_approver_namespace }}"
+        chart_ref: "{{ kubelet_csr_approver_chart_ref }}"
+        chart_version: "{{ kubelet_csr_approver_chart_version }}"
+        wait: true
+        values: "{{ kubelet_csr_approver_values }}"
+    repositories:
+      - name: "{{ kubelet_csr_approver_repository_name }}"
+        url: "{{ kubelet_csr_approver_repository_url }}"