feat(terraform): Check resource-based policies for public access

[nimrodkor]

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Description

2 new policies that check resource-based policies for public actions

New/Edited policies (Delete if not relevant)

Description

Resource-based policies can allow public access to the resource. This should be avoided

Fix

Either change the principal to something more specific than "*" or "AWS": "*", or add a Condition block

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my feature, policy, or fix is effective and works
• New and existing tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[gruebel]

🍸