Correct a documentation of the jenkins_plugin module (#59330)

It's a backport of #59139

lib/ansible/modules/web_infrastructure/jenkins_plugin.py

@@ -33,9 +33,11 @@ options:
   mode:
     description:
       - File mode applied on versioned plugins.
+    default: '0644'
   name:
     description:
       - Plugin name.
+    required: yes
   owner:
     description:
       - Name of the Jenkins user on the OS.
@@ -84,7 +86,7 @@ options:
       - Defines whether to install plugin dependencies.
       - This option takes effect only if the I(version) is not defined.
     type: bool
-    default: 'yes'
+    default: yes
 
 notes:
   - Plugin installation should be run under root or the same user which owns

test/sanity/validate-modules/ignore.txt

@@ -1159,6 +1159,5 @@ lib/ansible/modules/web_infrastructure/django_manage.py E326
 lib/ansible/modules/web_infrastructure/gunicorn.py E322
 lib/ansible/modules/web_infrastructure/htpasswd.py E326
 lib/ansible/modules/web_infrastructure/jenkins_plugin.py E322
-lib/ansible/modules/web_infrastructure/jenkins_plugin.py E324
 lib/ansible/modules/web_infrastructure/jira.py E322
 lib/ansible/modules/web_infrastructure/jira.py E325