Upgrade snakeyaml to 2.0

Some info on Snakeyaml from Bing AI:

SnakeYAML is a YAML-parsing library with a high-level API for serialization and deserialization of YAML documents ¹. It is designed for human readability and interaction with scripting languages ². SnakeYAML is a popular Java library to parse YAML (YAML Ain’t Markup Language format). The library can parse all YAML 1.1 specifications, native types and supports serializing and deserializing Java objects ³.

Changelog from 1.33 to 2.0:

• Fix #570: SafeConstructor ignores LoaderOptions setCodePointLimit() (thanks to Robert Patrick)
• Fix #495: Add module-info.java (thanks to Clayton Walker and Василий Кудрявцев)
• Remove many deprecated methods (Backwards-incompatible)
• Require Java 11 to build and Java 7 to run
• Update #565: (Backwards-incompatible) Do not allow global tags by default to fix CVE-2022-1471 (thanks to Jonathan Leitschuh)
• Fix #556: (Backwards-incompatible) Yaml.LoadAs() signature to support Class<? super T> type instead of Class<T> (thanks to Matt D.)
• Update: CustomClassLoaderConstructor takes LoaderOptions
• Fix #560: Check input parameters for non-null values (thanks to Larry West)
   
  https://bitbucket.org/snakeyaml/snakeyaml/wiki/Changes