[Blueprints, 02-at-scale]: Example CasC configuration needs fine-tuning

[sboardwell]

Description

Discussed in person. CasC configuration at scale will need some fine-tuning.

• I have searched the open/closed issues in this repository and my issue is not listed.
• I have checked that local tests are passing.
• If the issue is related to an AWS EKS add-on, I have searched the open/closed issues in the upstream aws-ia/terraform-aws-eks-blueprints and my issue is not listed.
• If the issue is related to an AWS EKS add-on, I have checked that upstream tests for the eks terraform blueprints add-on are passing.

Versions

• Module version [Required]: v3.19313.0

Reproduction Code [Required]

Expected behavior

Controllers come up as expected.

Actual behavior

• The team-a controller incorrectly receives a bundle by default.
• Secrets not mounting by default on new controller.