🧹 [Maintenance]: Add ctx.Drop() to whats_new.md

[grivera64]

Maintenance Task Description

Documentation for c.Drop() is missing from whats_new.md.

This issue proposes to add the missing documentation to the whats_new.md.

Impact on the Project

This will ensure users know about the new c.Drop() as a new feature when reading the whats_new.md file on release.

Additional Context (optional)

PR #3257 introduced this feature, and included the docs in ctx.md.

Checklist:

• I have confirmed that this maintenance task is currently not being addressed.
• I understand that this task will be evaluated by the maintainers and prioritized accordingly.
• I am available to provide further information if needed.