iam_policy: Make 'iam_name' a required option to match the documentation (#65559)

Without it we'd always throw a boto error

changelogs/fragments/65559-iam_policy-require-iam_name.yml

@@ -0,0 +1,2 @@
+minor_changes:
+- iam_policy - make `iam_name` a required field.

lib/ansible/modules/cloud/amazon/iam_policy.py

@@ -292,7 +292,7 @@ def main():
     argument_spec = dict(
         iam_type=dict(required=True, choices=['user', 'group', 'role']),
         state=dict(default='present', choices=['present', 'absent']),
-        iam_name=dict(default=None, required=False),
+        iam_name=dict(required=True),
         policy_name=dict(required=True),
         policy_document=dict(default=None, required=False),
         policy_json=dict(type='json', default=None, required=False),

test/sanity/ignore.txt

@@ -492,7 +492,6 @@ lib/ansible/modules/cloud/alicloud/ali_instance.py validate-modules:parameter-ty
 lib/ansible/modules/cloud/alicloud/ali_instance_info.py validate-modules:doc-missing-type
 lib/ansible/modules/cloud/alicloud/ali_instance_info.py validate-modules:doc-required-mismatch
 lib/ansible/modules/cloud/alicloud/ali_instance_info.py validate-modules:parameter-type-not-in-doc
-lib/ansible/modules/cloud/amazon/iam_policy.py validate-modules:doc-required-mismatch
 lib/ansible/modules/cloud/atomic/atomic_container.py validate-modules:doc-missing-type
 lib/ansible/modules/cloud/atomic/atomic_container.py validate-modules:doc-required-mismatch
 lib/ansible/modules/cloud/atomic/atomic_container.py validate-modules:no-default-for-required-parameter