[PR #10513/3b551f92 backport][stable-11] arg_spec adjustments: modules [t-z]* (#10535)

arg_spec adjustments: modules [t-z]* (#10513)

* arg_spec adjustments: modules [t-z]*

* add changelog frag

(cherry picked from commit 3b551f92fc)

Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>

plugins/modules/yarn.py

@@ -283,12 +283,12 @@ class Yarn(object):
 
 def main():
     arg_spec = dict(
-        name=dict(default=None),
-        path=dict(default=None, type='path'),
-        version=dict(default=None),
+        name=dict(),
+        path=dict(type='path'),
+        version=dict(),
         production=dict(default=False, type='bool'),
-        executable=dict(default=None, type='path'),
-        registry=dict(default=None),
+        executable=dict(type='path'),
+        registry=dict(),
         state=dict(default='present', choices=['present', 'absent', 'latest']),
         ignore_scripts=dict(default=False, type='bool'),
     )