[Enhancement]: Migrate to SnakeYAML Engine

[asomov]

Module

Core

Proposal

Use the latest version of SnakeYAML Engine which supports YAML 1.2 spec and does not allow to create random Java instances by the default.

[asomov]

Fixed in the PR

[eddumelendez]

As mentioned in the PR, SnakeYAML 1.2 requires Java 11 meanwhile Testcontainers requires Java 8.