execute_process: Improve COMMAND_ERROR_IS_FATAL error capture scenarios

Asit Dhalrequested to merge
asit-dhal/cmake:issue-21562 into master
  1. COMMAND_ERROR_IS_FATAL ANY will capture errors if the exit code is non zero, there is a timeout or an abnormal exit.
  2. COMMAND_ERROR_IS_FATAL LAST will capture if only the last process has an exit code non zero, there is a timeout or an abnormal exit.

Fixes: #21562 (closed)
Backport: release
Topic-rename: execute_process-command-error

Edited by Brad King

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