docs: adds more info on hooks

[jcchavezs]

What type of PR is this?

Uncomment one (or more) /kind <> lines:

/kind bug

/kind cleanup

/kind design

/kind documentation

/kind failing-test

/kind feature

If this PR will release a new chart version please make sure to also uncomment the following line:

/kind chart-release

Any specific area of the project related to this PR?

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/area falco-chart

/area falcosidekick-chart

/area falco-talon-chart

/area event-generator-chart

/area k8s-metacollector-chart

What this PR does / why we need it:

Adds more information on collectors.containerEngine.hook field

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Checklist

• Chart Version bumped
• Variables are documented in the README.md
• CHANGELOG.md updated

[poiana]

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[leogr]

Hey @jcchavezs

Thank you for catching and fixing this! 🙏

Could you also:

• bump the chart version
• update the changelog
• run make docs-falco (to update the README)
  ?

I know this is a bit cumbersome, but we need to keep things consistent (and make the CI happy 😅 )