[Feature]: enhance bumping of YAML files

[ga-paul-t]

Describe your feature

File bumping only supports version detection through regular expressions at present. This works as a nice catch-all mechanism for custom file types within a repository. However, when dealing with YAML files, it would be much simpler (and provide a better developer experience) to support the use of YAML paths to locate and replace a version.

Your potential solution

Expand the existing config to support the inclusion of a YAML path(s) when defining a bump.

bumps:
  - 
    file: ./Chart.yaml
    yaml: 
       - path: 'version'
         semver: true
       - path: 'appVersion'

Any additional information?

No response

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