Add labels to image publish process

[KarnVadaliya]

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[google-oss-prow]

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This pull-request has been approved by: KarnVadaliya

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[bkatyl]

Please seperate this into 2 changes.

• the code changes
• Once the code changes have been submitted and rolled out into everything that uses the library, then update the workflows.

[KarnVadaliya]

Please seperate this into 2 changes.

• the code changes
• Once the code changes have been submitted and rolled out into everything that uses the library, then update the workflows.

Done