feat: Implement MARS-1409 post-hook for backfilling A_WORKFLOW_HISTORY_KEY

- Added .gitignore to exclude temporary folders.
- Created SQL script to update existing A_WORKFLOW_HISTORY_KEY in A_SOURCE_FILE_RECEIVED.
- Implemented rollback script to clear backfilled A_WORKFLOW_HISTORY_KEY values.
- Added README.md for installation and usage instructions.
- Developed master installation and rollback scripts for MARS-1409 post-hook.
- Verified installation and rollback processes with detailed checks.
- Updated trigger logic to manage workflow history updates.
- Ensured proper version tracking and verification for related packages.

MARS_Packages/REL02_POST/MARS-1409/rollback_mars1409.sql

@@ -85,9 +85,9 @@ PROMPT =========================================================================
 
 PROMPT
 PROMPT ============================================================================
-PROMPT STEP 7: Restore TRG_A_WORKFLOW_HISTORY trigger (previous version)
+PROMPT STEP 7: Restore A_WORKFLOW_HISTORY trigger (previous version)
 PROMPT ============================================================================
-@@97_MARS_1409_rollback_CT_MRDS_TRG_A_WORKFLOW_HISTORY.sql
+@@97_MARS_1409_rollback_CT_MRDS_A_WORKFLOW_HISTORY.sql
 
 PROMPT
 PROMPT ============================================================================
@@ -101,6 +101,12 @@ PROMPT STEP 9: Verify rollback
 PROMPT ============================================================================
 @@90_MARS_1409_verify_rollback.sql
 
+PROMPT
+PROMPT ============================================================================
+PROMPT STEP 10: Verify package versions
+PROMPT ============================================================================
+@@verify_packages_version.sql
+
 PROMPT
 PROMPT ============================================================================
 PROMPT MARS-1409 Rollback Complete