Allow Helm autodiscovery to override default version filter

[olblak]

• Allow to override default versionfilter for Helm autodiscovery
• Allow to disable container update detected by Helm autodiscovery
• Allow to disable chart dependency update detected by Helm autodiscovery

This pullrequest allows to have different update strategies for helm update.
For example being able to open one pullrequest with all patch bump and another one with one pullrequest per minor or major update

Test

To test this pull request, you can run the following commands:

cp <to_package_directory>
go test

Additional Information

Tradeoff

/

Potential improvement

This autodiscovery plugin could be improved to ignore specific container or dependency update