[ENHANCEMENT] option to not exit with a non-zero exit code on specific error levels

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Is your enhancement request related to a problem? Please describe. i would like to have robotcode report hints/information in vscode, without having them fail in my CI. with other tools eg. typescript, diagnostics that are reported as hint or information do not cause the CLI to fail, as they are only intended to be information rather than a problem that needs to be fixed

Describe the solution you'd like an option to only fail on certain error levels and above. something like:

[tool.robotcode-analyze]
fail_on = "warning"

this would mean that only diagnostics reported as a warning or above (error) will cause a non-zero exit code