feat(secrets): Add _prioritise_secrets by 3 levels of severity

[ChanochShayner]

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

Description

Add _prioritise_secrets func to prioritise secrets results on the same finding by 3 levels of severity.

1. Private Key.
2. Generic Private Key.
3. Entropy.

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

[omryMen]

you can change this to set instead of tuple

[tronxd]

Suggested change

	def _prioritise_secrets(secret_records: Dict[str, SecretsRecord], secret_key: str, check_id: str) -> bool:
	def _should_prioritise_secrets(secret_records: Dict[str, SecretsRecord], secret_key: str, check_id: str) -> bool:

either rename or change the return type to not be a boolean