MON-3861: Bump go tools 1.21

[marioferh]

No description provided.

[simonpasquier]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: marioferh, simonpasquier

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[openshift-ci-robot]

@marioferh: This pull request references MON-3861 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 task to target the "4.16.0" version, but no target version was set.

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[openshift-ci-robot]

/retest-required

Remaining retests: 0 against base HEAD a9211ca and 2 for PR HEAD 3951e31 in total

[openshift-ci]

@marioferh: all tests passed!

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[jan--f]

/label acknowledge-critical-fixes-only
/label docs-approved

[openshift-bot]

[ART PR BUILD NOTIFIER]

This PR has been included in build cluster-monitoring-operator-container-v4.17.0-202405151441.p0.g40bdb02.assembly.stream.el9 for distgit cluster-monitoring-operator.
All builds following this will include this PR.