Summary:
Changing the minimum go version in go.mod to 1.24.6 for security reasons.

Original commit: adab7abcf0108a237c36d4c728d9bb1f6ac982f7 / D46518

Test Plan: Manual Tests

Reviewers: sgarg-yb

Reviewed By: sgarg-yb

Subscribers: yugabyted-dev

Differential Revision: https://phorge.dev.yugabyte.com/D46522