Include package locks in gitignore

[VedantAnand17]

🧹 Area

• Build

🎯 Goal

Improves Consistency, CI/CD reliability

🧩 Scope

package-locks involved.

🧪 Risk & Rollout

• Risk: Nil
• Tests impacted: No

📎 Notes

worked on this

[VedantAnand17]

kindly assign :)