[GONRG-9116] Upgrade postgres
- Helm chart to 13.4.3 version (PSQL 16)
- GC CloudSQL PSQL 15
Edited by Oleksandr Kosse (EPAM)
Community will be down this weekend for data migration in preparation for GitLab 17.0. Work will start at 10pm UTC (5pm CDT, 3:30am IST) and is expected to run through Sunday.