make the code compliant for the jackson upgrade

[suruuK]

Description

This will be a noop for the most part, had to make one small code change but that was mostly copying the behaviour of the older library code. https://bitbucket.org/snakeyaml/snakeyaml/src/e91772b1bc0bc67e4fb60e4c19a1a7ba0a180896/src/main/java/org/yaml/snakeyaml/constructor/SafeConstructor.java#lines-51

Type of change

• Bug fix (non-breaking change which fixes an issue)
• Feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change
• Chore (non-breaking change which doesn't affect codebase;
  test, version modification, documentation, etc.)

Checklist

• Code contributed by me aligns with current project license: Apache 2.0
• I Added CHANGELOG entry regarding this change
• I have implemented unit tests to cover my changes
• I have added/updated the javadocs and other documentation accordingly
• No new bugs, code smells, etc. in SonarCloud report
• I tested my code in Kubernetes
• I tested my code in OpenShift