feat(docker): add multi-arch for terminal & extra manual trigger for …

[warjiang]

What type of PR is this?
Add multi-arch support for karmada-dashboard-terminal image, btw we add extra manual trigger for build latest image.

/kind feature

What this PR does / why we need it:

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

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[warjiang]

/assign @RainbowMango @samzong

[RainbowMango]

/assign

A little surprised, as I thought we supported multi-arch already.

[warjiang]

/assign

A little surprised, as I thought we supported multi-arch already.

it's new images, we introducte the new image called ttyd which is used in karmada control plane and cluster management. We'll add some extra feature like add karmadactl binary、trzsz compability for better experience ~

[RainbowMango]

Why not put this to the existing dockerhub-released-image.yml that is designed to hold all images?

[warjiang]

yes, the karmada-dashboard-terminal use ttyd as base image, not build on top of dashboard binary or static file, it will be released by manual trigger.

[RainbowMango]

Maybe we can talk about it at this week's meeting.