adding event on triggering this rule contact_ec2_instance_metadata_from_container

[h4l0gen]

What type of PR is this?

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

/kind bug

/kind cleanup

/kind documentation

/kind tests

/kind feature

Any specific area of the project related to this PR?

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

/area commands

/area pkg

/area events

What this PR does / why we need it: this event triggers rule contact_ec2_instance_metadata_from_container Which issue(s) this PR fixes:

Fixes #147

Special notes for your reviewer:

[h4l0gen]

@leogr @FedeDP rule triggered successfully by this event

[h4l0gen]

@leogr @FedeDP I modified this PR as per new events.ErrSkipped and other changes. Please take a look and provide your feedback. Thank You!!

[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: h4l0gen, leogr

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[poiana]

LGTM label has been added.

Git tree hash: b3c8dd5825a34ec464bdf27d403bf54e3171f5f7