[Aikido] Fix critical issue in thymeleaf via minor version upgrade from 3.1.2 to 3.1.4

[aikido-autofix]

Upgrade Thymeleaf to fix critical Server-Side Template Injection (SSTI) vulnerabilities allowing unauthorized expression execution and sensitive object access.

⚠️ Breaking changes analysis not available for: org.thymeleaf:thymeleaf

✅ 2 CVEs resolved by this upgrade, including 2 critical 🚨 CVEs

This PR will resolve the following CVEs:

Issue	Severity	Description
CVE-2026-40478	🚨 CRITICAL	[thymeleaf] Expression injection bypass in template processing allows unauthenticated attackers to execute unauthorized expressions via Server-Side Template Injection (SSTI) when unvalidated user input is passed to the template engine.
CVE-2026-40477	🚨 CRITICAL	[thymeleaf] A security bypass vulnerability allows Server-Side Template Injection (SSTI) attacks when unvalidated user input is passed to templates, as the library fails to properly restrict access to sensitive objects within expression execution mechanisms.