ci: update NIC Configuration Operator STIG components to a6e902e (of branch network-operator-26.1.x)

[nvidia-ci-cd]

Automated CI update for components '' and '', created by internal GitLab CI for release branch network-operator-26.1.x.

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[greptile-apps]

Greptile Summary

This PR updates NIC Configuration Operator STIG FIPS release metadata. The main changes are:

• Ubuntu operator and daemon versions now use a6e902e-ubuntu.
• RHEL operator and daemon versions now use a6e902e-rhel.

Confidence Score: 5/5

This looks safe to merge.

• No blocking issues found in the changed code.

Important Files Changed

Filename	Overview
hack/release.yaml	Updates four NIC Configuration Operator STIG FIPS Ubuntu/RHEL version entries.

_{Reviews (1): Last reviewed commit: "ci: update NIC Configuration Operator ST..." | Re-trigger Greptile}