Run trivy on development branch as well

[dabradley]

What type of PR is this?

/kind test

What this PR does / why we need it:
Enables running the trivy scan on the development branch

[k8s-ci-robot]

@dabradley: The label(s) kind/test cannot be applied, because the repository doesn't have them.

In response to this:

What type of PR is this?

/kind test

What this PR does / why we need it:
Enables running the trivy scan on the development branch

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dabradley, t-mialve

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[t-mialve]

/lgtm

[coveralls]

coverage: 82.552%. remained the same
when pulling 7d20ac2 on dabradley:personal/dabradley/trivy-on-development
into 1ff10d0 on kubernetes-sigs:development.