Upgraded MariaDB image to 11.8 to fix AWS detected vulnerabilities.

[vnandwana]

The security vulnerabilities that are being flagged by the AWS team for the ECS product:

Product Title: Kill Bill on AWS - Serverless Multi-Tier on ECS 
Product id: b05ab31f-fe4b-4e13-bac8-224da233057c
Vulnerability:CVE-2023-44487,  CVE-2025-24813,  CVE-2025-31650

Killbill and Kaui images look good.

Trivy scan detected the following vulnerabilities on the mariadb image currently in use:

Report Summary

┌─────────────────────────────┬──────────┬─────────────────┬─────────┐
│           Target            │   Type   │ Vulnerabilities │ Secrets │
├─────────────────────────────┼──────────┼─────────────────┼─────────┤
│ 1af96561207c (ubuntu 22.04) │  ubuntu  │       225       │    -    │
├─────────────────────────────┼──────────┼─────────────────┼─────────┤
│ usr/local/bin/gosu          │ gobinary │       105       │    -    │
└─────────────────────────────┴──────────┴─────────────────┴─────────┘

[vnandwana]

The latest version is 12.2, but not sure if jumping from 10.x to 12.x is safe