Summary:
Mac machines are slow so restart master at a earlier upgrade stage to avoid test timeouts.

Fixes #25399
Jira: DB-14630

Test Plan: YsqlMajorUpgradeRpcsTest.MasterCrashDuringUpgrade

Reviewers: smishra

Reviewed By: smishra

Subscribers: ybase

Differential Revision: https://phorge.dev.yugabyte.com/D40833