CVE-2025-6965 in base Alpine image

[cmontemuino]

Our Trivy scan has detected the following vulnerability:

Vulnerability information: 
+---------------+-------------+----------+-------------------+---------------+--------------------------------------+-------------------------------------------+
|      Type     |   Library   | Severity | Installed Version | Fixed Version |               Summary                |                More Details               |
+---------------+-------------+----------+-------------------+---------------+--------------------------------------+-------------------------------------------+
| alpine 3.21.3 | sqlite-libs | CRITICAL |     3.48.0-r2     |   3.48.0-r3   | sqlite: Integer Truncation in SQLite | https://avd.aquasec.com/nvd/cve-2025-6965 |
+---------------+-------------+----------+-------------------+---------------+--------------------------------------+-------------------------------------------+

Upgrading to alpine 3.21.4 should fix it (https://pkgs.alpinelinux.org/package/v3.21/main/x86/sqlite-libs).

[cmontemuino]

This should be enough: #44