update(falco): bump k8saudit version in values-k8saudit.yaml

[leogr]

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 falco-exporter-chart

/area falcosidekick-chart

/area falco-talon

/area event-generator-chart

/area k8s-metacollector

What this PR does / why we need it:
See falcosecurity/plugins#550

Which issue(s) this PR fixes:

Fixes falcosecurity/plugins#550

Special notes for your reviewer:

Checklist

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

[cpanato]

bump the chart version :)

[poiana]

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This pull-request has been approved by: Issif, leogr

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