OCPBUGS-80773: Bumping grpc from v1.72.1 to v1.79.3 [release-4.21]

[moebasim]

Bumping grpc from v1.72.1 to v1.79.3 to fix CVE-2026-33186

[openshift-ci-robot]

@moebasim: This pull request references Jira Issue OCPBUGS-80773, which is invalid:

• release note text must be set and not match the template OR release note type must be set to "Release Note Not Required". For more information you can reference the OpenShift Bug Process.
• expected Jira Issue OCPBUGS-80773 to depend on a bug targeting a version in 4.22.0 and in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but no dependents were found

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

Details

In response to this:

Bumping grpc from v1.72.1 to v1.72.3 to fix CVE-2026-33186

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[openshift-ci]

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[openshift-ci]

Hi @moebasim. Thanks for your PR.

I'm waiting for a openshift 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.

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