Add flycheck-falco-rules as an incubating project

[mstemm]

What type of PR is this?

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

/kind bug

/kind cleanup

/kind documentation

/kind feature

/kind incubating

/kind officialsupport

Any specific area of the project related to this PR?

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

/area governance

/area proposals

/area utils

What this PR does / why we need it:

Adding flycheck-falco-rules as an incubating project.

https://github.com/falcosecurity/evolution/issues/221 tracks the now-approved request to add the repository.

Which issue(s) this PR fixes:

Fixes https://github.com/falcosecurity/evolution/issues/221

Special notes for your reviewer:

[maxgio92]

Thank you @mstemm! 🤗 /lgtm

[poiana]

LGTM label has been added.

Git tree hash: 89009ea2374464d058a7be43cd472d5f7151534e

[mstemm]

Ok, updated repositories.yaml instead. And added @ewilderj to affiliations.json.

[poiana]

LGTM label has been added.

Git tree hash: a79fea0e7d73ee2e7662e711c31941b47e49ed1c

[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jasondellaluce, leogr, maxgio92, mstemm

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

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/falcosecurity/evolution/blob/main/OWNERS)~~ [jasondellaluce,leogr,maxgio92] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment