add migration for rpa status modification (#229)

Author: lkemperman-cfa

src/main/resources/db/migration/V2023.7.13__modify_rpa_schema.sql

@@ -0,0 +1,4 @@
+ALTER TYPE rpa_status_type ADD VALUE 'CriticalFailure';
+ALTER TABLE user_files DROP COLUMN rpa_critical_failure;
+ALTER TABLE user_files ADD COLUMN rpa_process_start_time DATE;
+ALTER TABLE user_files ADD COLUMN rpa_process_end_time DATE;