docs(config.yaml): fix wrong severity levels for sinsp logger

[Andreagit97]

What type of PR is this?

/kind bug

/kind documentation

Any specific area of the project related to this PR?

What this PR does / why we need it:

This PR fixes wrong severity levels for sinsp logger in falco.yaml

Which issue(s) this PR fixes:

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

docs(config.yaml): fix wrong severity levels for sinsp logger

[Andreagit97]

/milestone 0.36.0

[FedeDP]

/approve

[poiana]

LGTM label has been added.

Git tree hash: 206445f4e4c9c38a1f70796cab6ca52c5979f438

[leogr]

LGTM since it realigns the documentation with the actual implementations.

However, it's very confusing that the libs logger uses a different set of severity levels, whereas all other Falco options use the standard syslog severity levels.

May we fix this in libs? Or do we have a compelling reason not to do that? 🤔
cc @Andreagit97 @FedeDP

[poiana]

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This pull-request has been approved by: Andreagit97, FedeDP, leogr

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