[Chapel Merge] Update these .good files to reflect location of Ch

Branch: refs/heads/master
Revision: 976dd2c
Author: mppf
Log Message:

Merge pull request #17574 from mppf/fix-stacktrace-tests

Update these .good files to reflect location of ChapelIO

PR #16849 moved ChapelIO to modules/standard. Update the .good files for
the libunwind tests to reflect that.

Test change only - not reviewed.

Future Work: