Add sync_results_total metric for replication success/failure

[DeanKamali]

Summary

• Add new Prometheus metric volsync_sync_results_total to track replication sync success/failure counts
• Metric labels: obj_name, obj_namespace, role, method, result

Closes #1128

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: DeanKamali
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[openshift-ci]

Hi @DeanKamali. Thanks for your PR.

I'm waiting for a backube 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.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud