Resolving CVE-2022-1471  with the SnakeYAML 2.0

Comment From: pivotal-cla

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Comment From: wilkinsona

Thanks for the proposal but, as mentioned in the pull request template, we don't accept pull requests for one-line dependency upgrades like this. We also can't upgrade to a new major version of SnakeYAML in a maintenance (3.0.x release) of Spring Boot. Lastly, there are some other compatibility issues to consider here such as the SnakeYAML support in Spring Framework and Jackson.