fix(postgresql): fail PITR postReady moves

[weicao]

RED 2ae1ba7 proved generated postReady masked mv rc47 behind sync. Adds set -e. GREEN focused Bash3.2 22/0, full Bash5.3 290/0; static/chart gates clean.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 0.00%. Comparing base (38f376c) to head (750c7dd).

Files with missing lines	Patch %	Lines
...ns/postgresql/scripts-ut-spec/pitr_restore_spec.sh	0.00%	11 Missing ⚠️

Additional details and impacted files

@@                        Coverage Diff                         @@
##           easton/pg-pitr-restore-root-filter   #3407   +/-   ##
==================================================================
  Coverage                                0.00%   0.00%           
==================================================================
  Files                                     195     195           
  Lines                                   28430   28441   +11     
==================================================================
- Misses                                  28430   28441   +11     

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