release artifacts for release v1.2.4

[Julian-Chu]

release v1.2.4

• fix GSI update issue when using PAY_PER_REQUEST mode
• set GSI capacity default to 1 when PROVISIONED mode

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[ack-prow]

Hi @Julian-Chu. Thanks for your PR.

I'm waiting for a aws-controllers-k8s member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[a-hilaly]

Thank you sir!
/lgtm

[ack-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: a-hilaly, Julian-Chu

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