chore: FUR 26.4.1

[rollandf]

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[github-actions]

Documentation preview

https://mellanox.github.io/network-operator-docs/review/pr-396

[greptile-apps]

Greptile Summary

This PR is a documentation update for the NVIDIA Network Operator 26.4.1 patch release (FUR = Fix-Update-Release), bumping all version references, container image digests, and platform support entries from 26.4.0 to 26.4.1.

• All container image versions and SHA-256 digests updated to v26.4.1; DOCA-OFED driver updated to doca3.4.1-26.04-1.1.0.0-1 with expanded RHEL targets (9.8, 10.2) and a simplified Ubuntu precompiled tag list; LTS driver bumped to doca3.2.3.
• Platform support extended to Kubernetes 1.36, OpenShift 4.22, RHEL 9.8, and RHEL 10.2 in the main table and release notes.
• The GPUDirect RDMA support sub-table's RHEL row was not updated alongside the main table, leaving it inconsistent with the newly announced RHEL 9.8 and 10.2 support.

Confidence Score: 4/5

Safe to merge after fixing the stale RHEL entry in the GPUDirect RDMA support table

The GPUDirect RDMA requirements table still lists only RHEL 10.0/9.6/9.4 while the main platform table and release notes now advertise RHEL 9.8 and 10.2 support. Users who consult that section will be given incorrect compatibility information.

Files Needing Attention: docs/platform-support.rst — the GPUDirect RDMA support table needs its RHEL row updated to match the main OS support table

Important Files Changed

Filename	Overview
docs/platform-support.rst	Kubernetes bumped to 1.36, OpenShift to 4.22, RHEL 9.8/10.2 added in main table — but the GPUDirect RDMA support sub-table still lists only RHEL 10.0/9.6/9.4
docs/release-notes.rst	Added 26.4.1 entry listing CVE fixes, OpenShift 4.22, Kubernetes 1.36, RHEL 9.8, and RHEL 10.2 support
docs/common/vars.rst	All version references bumped from v26.4.0 to v26.4.1; LTS DOCA driver version updated from doca3.2.2 to doca3.2.3
docs/advanced/images-sha256.rst	Container image digests and versions updated to v26.4.1; DOCA-OFED driver version bumped to doca3.4.1-26.04-1.1.0.0-1 with expanded RHEL targets (9.8, 10.2) and simplified Ubuntu tag list
docs/customizations/helm.rst	Helm chart default image tag references updated from network-operator-v26.4.0 to v26.4.1 across all sub-chart images
hack/release/templates/vars/vars.template	LTS DOCA driver version literal in the vars template updated from doca3.2.2 to doca3.2.3
examples/processed/host-device-rdma/10-nicclusterpolicy.yaml	Component image versions bumped from network-operator-v26.4.0 to v26.4.1
examples/processed/sriov-network-rdma/complete.yaml	Component image versions bumped from network-operator-v26.4.0 to v26.4.1

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[26.4.1 FUR] --> B[Version Bumps]
    A --> C[Platform Support]
    A --> D[Image Digests]

    B --> B1[vars.rst: v26.4.0 → v26.4.1]
    B --> B2[helm.rst: all chart image tags]
    B --> B3[example YAMLs: all nicclusterpolicy]
    B --> B4[vars.template: LTS doca3.2.2 → doca3.2.3]

    C --> C1[K8s: 1.35 → 1.36 ✓]
    C --> C2[OpenShift: 4.21 → 4.22 ✓]
    C --> C3[RHEL 9.8 + 10.2 added to main table ✓]
    C --> C4[GPUDirect RDMA RHEL row: still 10.0/9.6/9.4 ✗]

    D --> D1[network-operator and sub-components]
    D --> D2[DOCA-OFED: doca3.4.0 → doca3.4.1]
    D --> D3[New RHEL 9.8 / 10.2 image digests added]

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[heyvister1]

@rollandf please also add k8s 1.36 support