Maintenance: Remove branch protections workflow

[phipag]

Summary

The branch protection workflow regularly triggers failures e.g. when the GitHub checkout action receives an update. We should disable the workflow and implement a more scalable solutions in the future if needed.

Why is this needed?

Reduce operational burden.

Which area does this relate to?

Governance

Solution

No response

Acknowledgment

• This request meets Powertools for AWS Lambda (Java) Tenets
• Should this be considered in other Powertools for AWS Lambda languages? i.e. Python, TypeScript