Add description to galaxy.yml (#1740) (#1744)

[PR #1740/35bb6b06 backport][stable-6] Add description to galaxy.yml

This is a backport of PR #1740 as merged into main (35bb6b0).
SUMMARY
description was set to null, ansiblelist was grumping.
ISSUE TYPE

Docs Pull Request

COMPONENT NAME
galaxy.yml
ADDITIONAL INFORMATION

README.md

@@ -1,5 +1,5 @@
 # Amazon AWS Collection
-The Ansible Amazon AWS collection includes a variety of Ansible content to help automate the management of AWS instances. This collection is maintained by the Ansible cloud team.
+The Ansible Amazon AWS collection includes a variety of Ansible content to help automate the management of AWS services. This collection is maintained by the Ansible cloud team.
 
 AWS related modules and plugins supported by the Ansible community are in the [community.aws](https://github.com/ansible-collections/community.aws/) collection.
 

changelogs/fragments/20230906-galaxy.yml

@@ -0,0 +1,2 @@
+trivial:
+- galaxy.yml - add description to collection.

galaxy.yml

@@ -1,10 +1,11 @@
+---
 namespace: amazon
 name: aws
 version: 6.4.0
 readme: README.md
 authors:
   - Ansible (https://github.com/ansible)
-description: null
+description: A variety of Ansible content to help automate the management of AWS services.
 license_file: COPYING
 tags: [amazon, aws, cloud]
 repository: https://github.com/ansible-collections/amazon.aws