Update Galaxy docs links (#1462) (#1465)

[PR #1462/cde1a564 backport][stable-3] Update Galaxy docs links

This is a backport of PR #1462 as merged into main (cde1a56).
SUMMARY
Fixes: #1461
(See also ansible-collections/amazon.aws#1021)
ISSUE TYPE

Docs Pull Request

COMPONENT NAME
galaxy.yml
ADDITIONAL INFORMATION

Reviewed-by: Mark Chappell <None>

README.md

@@ -24,7 +24,7 @@ Version 3.0.0 of this collection supports `boto3 >= 1.16.0` and `botocore >= 1.1
 
 ## Included content
 <!--start collection content-->
-See the complete list of collection content in the [Plugin Index](https://ansible-collections.github.io/community.aws/branch/main/collections/community/aws/index.html#plugin-index).
+See the complete list of collection content in the [Plugin Index](https://ansible-collections.github.io/community.aws/branch/stable-3/collections/community/aws/index.html#plugin-index).
 
 <!--end collection content-->
 

galaxy.yml

@@ -10,7 +10,7 @@ tags: [community, aws, cloud, amazon]
 dependencies:
   amazon.aws: '>=3.4.0'
 repository: https://github.com/ansible-collections/community.aws
-documentation: https://github.com/ansible-collections/community.aws/tree/main/docs
+documentation: https://ansible-collections.github.io/community.aws/branch/stable-3/collections/community/aws/index.html
 homepage: https://github.com/ansible-collections/community.aws
 issues: https://github.com/ansible-collections/community.aws/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc
 build_ignore: