Add policy name to ScanExecutionPolicyCommit mutation

What does this MR do and why?

Addresses #342695 (closed)

This MR adds policy name to ScanExecutionPolicyCommit mutation which was introduced in !71655 (merged)

Screenshots or screen recordings

How to set up and validate locally

1. Go to Security & Compliance -> Policies
2. Create a new policy by clicking New Policy
3. Give a name for the policy and click Create Merge Request and merge the created MR
4. Go to Policies and edit the newly created policy and update the name of the policy

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.