Fix non-matching defaults in docs (ansible-collections#1576)

Fix non-matching defaults in docs

Depends-On: ansible-collections#1579
SUMMARY
Fix various non-matching default values exposed by ansible/ansible#79267.
ISSUE TYPE

Docs Pull Request

COMPONENT NAME
various

Reviewed-by: Markus Bergholz <[email protected]>

This commit was initially merged in https://github.com/ansible-collections/community.aws
See: ansible-collections/community.aws@15568f0

Author: felixfontein

plugins/modules/ec2_transit_gateway_info.py

@@ -21,11 +21,13 @@
     aliases: [transit_gateway_id]
     type: list
     elements: str
+    default: []
   filters:
     description:
       - A dict of filters to apply. Each dict item consists of a filter key and a filter value.
         See U(https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeTransitGateways.html) for filters.
     type: dict
+    default: {}
 extends_documentation_fragment:
 - amazon.aws.aws
 - amazon.aws.ec2