DVO-283: Update minimum Golang version

[ncaak]

summary

Fixes CVE-2025-22871 with a Golang version +1.23.8

[openshift-ci-robot]

@ncaak: This pull request references DVO-283 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the vulnerability to target the "4.20.0" version, but no target version was set.

In response to this:

summary

Fixes CVE-2025-22871 with a Golang version +1.23.8

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[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ncaak

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[openshift-ci]

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

Test name	Commit	Details	Required	Rerun command
ci/prow/lint	478319c	link	true	/test lint
ci/prow/coverage	478319c	link	true	/test coverage
ci/prow/test	478319c	link	true	/test test

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[ncaak]

/hold

CI images still don't have the needed Golang version