Fix risky-file-permissions (#8370)

When running ansible-lint directly, we can see a lot of warning
message like

  risky-file-permissions File permissions unset or incorrect

This fixes the warning messages.

roles/kubernetes-apps/krew/tasks/krew.yml

@@ -8,11 +8,13 @@
   template:
     src: krew.j2
     dest: /etc/bash_completion.d/krew
+    mode: 0644
 
 - name: Krew | Copy krew manifest
   template:
     src: krew.yml.j2
     dest: "{{ local_release_dir }}/krew.yml"
+    mode: 0644
 
 - name: Krew | Install krew  # noqa 301 305
   shell: "{{ local_release_dir }}/krew-{{ host_os }}_{{ image_arch }} install --archive={{ local_release_dir }}/krew-{{ host_os }}_{{ image_arch }}.tar.gz --manifest={{ local_release_dir }}/krew.yml"
@@ -31,5 +33,6 @@
   copy:
     dest: /etc/bash_completion.d/krew.sh
     content: "{{ krew_completion.stdout }}"
+    mode: 0755
   become: True
   when: krew_completion.rc == 0