Update `.mailmap` (#11633)

This PR updates the `.mailmap` file to merge some commit authors using
multiple emails.

Release Notes:

- N/A

Marshall Bowers committed 2y ago

dd67bda59550e1939fc496db09bbdafeb6491f5c

Parent: 4762e52

Committed by GitHub <noreply@github.com> on 5/9/2024, 11:03:34 PM