[aws-pod-identity-webhook] Rename dockerfile

[ashwindasr]

For openshift/aws-pod-identity-webhook#195

[openshift-ci-robot]

[REHEARSALNOTIFIER]
@ashwindasr: the pj-rehearse plugin accommodates running rehearsal tests for the changes in this PR. Expand 'Interacting with pj-rehearse' for usage details. The following rehearsable tests have been affected by this change:

Test name	Repo	Type	Reason
pull-ci-openshift-aws-pod-identity-webhook-master-e2e-aws	openshift/aws-pod-identity-webhook	presubmit	Ci-operator config changed
pull-ci-openshift-aws-pod-identity-webhook-master-images	openshift/aws-pod-identity-webhook	presubmit	Ci-operator config changed
pull-ci-openshift-aws-pod-identity-webhook-master-okd-scos-images	openshift/aws-pod-identity-webhook	presubmit	Ci-operator config changed
pull-ci-openshift-aws-pod-identity-webhook-master-security	openshift/aws-pod-identity-webhook	presubmit	Ci-operator config changed

Prior to this PR being merged, you will need to either run and acknowledge or opt to skip these rehearsals.

Interacting with pj-rehearse

Comment: /pj-rehearse to run up to 5 rehearsals
Comment: /pj-rehearse skip to opt-out of rehearsals
Comment: /pj-rehearse {test-name}, with each test separated by a space, to run one or more specific rehearsals
Comment: /pj-rehearse more to run up to 10 rehearsals
Comment: /pj-rehearse max to run up to 25 rehearsals
Comment: /pj-rehearse auto-ack to run up to 5 rehearsals, and add the rehearsals-ack label on success
Comment: /pj-rehearse abort to abort all active rehearsals

Once you are satisfied with the results of the rehearsals, comment: /pj-rehearse ack to unblock merge. When the rehearsals-ack label is present on your PR, merge will no longer be blocked by rehearsals.
If you would like the rehearsals-ack label removed, comment: /pj-rehearse reject to re-block merging.

[jstuever]

/lgtm
/approve

[jstuever]

/pj-rehearse ack
This is co-dependent on openshift/aws-pod-identity-webhook#195. Merge this first and then PR195 should pass.

[openshift-ci-robot]

@jstuever: now processing your pj-rehearse request. Please allow up to 10 minutes for jobs to trigger or cancel.

[jstuever]

/assign

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ashwindasr, jstuever

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Needs approval from an approver in each of these files:

• ci-operator/config/openshift/aws-pod-identity-webhook/OWNERS [jstuever]

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[openshift-ci]

@ashwindasr: all tests passed!

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