[Contour Gateway Provisioner] how to set an imagepullsecret for envoy daemonset?

[flbla]

What question do you have?:
how to set an imagepullsecret for envoy daemonset with Contour Gateway Provisioner mode ?

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]
I added --envoy-image=my-private-registry/envoyproxy/envoy:v1.34.1 to the gateway-provisioner args of contour-gateway-provisioner Deployment
I need to add an imagepullsecret for envoy DaemonSet

Environment:

• Contour version: 1.32.0

[github-actions]

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