update(docs): add LucaGuerra to owners

[LucaGuerra]

What type of PR is this?

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

/kind documentation

Any specific area of the project related to this PR?

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

/area documentation

What this PR does / why we need it:

This year I have helped releasing plugins and fixing issues in this repo. As a core maintainer I would like to help with plugin maintenance.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

[leogr]

+1 for me!

/hold until we conclude the vote

[jasondellaluce]

+1! 🚀

[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

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

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/falcosecurity/plugins/blob/main/OWNERS)~~ [leogr] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[poiana]

LGTM label has been added.

Git tree hash: 2fc7ae82d7e3c89f97e59e3bef3e83e12c969d1f

[leogr]

/hold cancel