Only use stat get_checksum: yes when needed (#7270)

By default Ansible stat module compute checksum, list extended attributes and find mime type
To find all stat invocations that really use one of those:
git grep -F stat. | grep -vE 'stat.(islnk|exists|lnk_source|writeable)'

Signed-off-by: Etienne Champetier <e.champetier@ateme.com>
(cherry picked from commit de1d9df787)

Conflicts:
	roles/etcd/tasks/check_certs.yml

roles/etcdctl/tasks/main.yml

@@ -9,6 +9,9 @@
 - name: Check if etcdctl exist
   stat:
     path: "{{ bin_dir }}/etcdctl"
+    get_attributes: no
+    get_checksum: no
+    get_mime: no
   register: stat_etcdctl
 
 - block:
@@ -28,6 +31,9 @@
 - name: Check if etcdctl still exist after version check
   stat:
     path: "{{ bin_dir }}/etcdctl"
+    get_attributes: no
+    get_checksum: no
+    get_mime: no
   register: stat_etcdctl
 
 - block: