Release EKS Go: v1.21.10-8

[xdu31]

Increment release file to publish new EKS Go artifacts for v1.21.10-8

[eks-distro-bot]

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[eks-distro-bot]

@xdu31: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
golang-1-21-tooling-presubmit	7a7ef5e	link	true	/test golang-1-21-tooling-presubmit

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