iam_managed_policy - add support for path and tagging (#1936) (#1938)

[PR #1936/f95f9eb4 backport][stable-7] iam_managed_policy - add support for path and tagging

This is a backport of PR #1936 as merged into main (f95f9eb).
SUMMARY

Fixes minor bug where description was only returned if changes were made.
Adds support for setting the path on IAM Managed Policies.
Adds support for tagging Managed Policies

ISSUE TYPE

Bugfix Pull Request
Feature Pull Request

COMPONENT NAME
iam_managed_policy
ADDITIONAL INFORMATION

Reviewed-by: Mark Chappell

changelogs/fragments/20231222-managed_policy.yml

@@ -0,0 +1,9 @@
+---
+minor_changes:
+  - iam_managed_policy - ``policy`` is no longer a required parameter (https://github.com/ansible-collections/amazon.aws/pull/1936).
+  - iam_managed_policy - ``description`` attempting to update the description now results in a warning, previously it was simply ignored (https://github.com/ansible-collections/amazon.aws/pull/1936).
+  - iam_managed_policy - support for setting ``path`` (https://github.com/ansible-collections/amazon.aws/pull/1936).
+  - iam_managed_policy - more consistently perform retries on rate limiting errors (https://github.com/ansible-collections/amazon.aws/pull/1936).
+  - iam_managed_policy - added support for tagging managed policies (https://github.com/ansible-collections/amazon.aws/pull/1936).
+bugfixes:
+  - iam_managed_policy - fixed an issue where only partial results were returned (https://github.com/ansible-collections/amazon.aws/pull/1936).