Make Copilot commits look better in the commit history

Author: Byron

.mailmap

@@ -1,3 +1,4 @@
 <stron@me.com> <35891811+estib-vega@users.noreply.github.com>
 Codex <199175422+chatgpt-codex-connector[bot]@users.noreply.github.com> chatgpt-codex-connector[bot] <199175422+chatgpt-codex-connector[bot]@users.noreply.github.com>
-Byron <sebastian.thiel@icloud.com> Sebastian Thiel <sebastian.thiel@icloud.com>
+Byron <sebastian.thiel@icloud.com> Sebastian Thiel <sebastian.thiel@icloud.com> <63622+Byron@users.noreply.github.com>
+Copilot <198982749+Copilot@users.noreply.github.com> copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>