Fix: failed to acquire lock exception with retry mechanism for postgres and mysql (#6483)
Added the with_retry decorator in db_models.py to add a retry mechanism
for database operations. Applied the retry mechanism to the lock and
unlock methods of the PostgresDatabaseLock and MysqlDatabaseLock classes
to enhance the reliability of lock operations.
### What problem does this PR solve?
resolve failed to acquire lock exception with retry mechanism
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
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Co-authored-by: wenju.li <wenju.li@deepctr.cn>