GC Enable V2 API

Description:

• Enabled V2 API for GC
• Changed token usage for V2 tests, there was a misuse of a secret admin token.
• Pattern validation was added for Secret V2 ID, as secret management systems often have strict name rules.

How to test:

Integration tests

Changes include:

• Refactor (a non-breaking change that improves code maintainability).
• Bugfix (a non-breaking change that solves an issue).
• New feature (a non-breaking change that adds functionality).
• Breaking change (a change that is not backward-compatible and/or changes current functionality).

Changes in:

• GC
• Common code

Dev Checklist:

• Added Unit Tests, wherever applicable.
• Updated the Readme, if applicable.
• Existing Tests pass
• Verified functionality locally
• Self Reviewed my code for formatting and complex business logic.

Other comments:

Any comments to approvers here