Oke oss release 1.26.0

[YashwantGohokar]

Change Log:

• Bug fixes for CSI volume attachment issues & logging improvements
• fixed filesystem cleanup for one of the fss e2e spec
• Fixing snapshot test flakiness
• Added support for CSI Snapshot-Restore
• CSI Snapshot xfs bug fix and e2e enhancements
• Changed 'fss' to 'csi-fss' in SanityCheckPV() in pvc_util.go
• bumped oci-go-sdk to v65.40.1
• Implement HTTP healthcheck for HTTPS backends
• Detect change in IsPreserveSource to update it for NLB backend set
• Retain LBs converted to flexible shape outside of K8s
• Delete LB Listener and Backends before creating new listeners/backendsets
• Changes associated with k8s v1.26.2
• Improved network partition detection
• Moved Update of Feature gate to cloud_provider_go and updated code as per review comment
• Updating the changes for k8 v1.26.1
• Custom check for CrossNamespaceVolumeDS
• Updated files impacted due to upgrade of k8s v1.26

E2E Status:
All e2e tests are passing. Logs attached.
e2e-1.26.log
snapshot_opensource_e2e.log

[coveralls]

Pull Request Test Coverage Report for Build 5399633556

• 139 of 579 (24.01%) changed or added relevant lines in 7 files are covered.
• 3 unchanged lines in 3 files lost coverage.
• Overall coverage increased (+0.01%) to 29.706%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/cloudprovider/providers/oci/load_balancer_spec.go	23	24	95.83%
pkg/cloudprovider/providers/oci/load_balancer_util.go	13	14	92.86%
pkg/oci/client/load_balancer.go	2	6	33.33%
pkg/cloudprovider/providers/oci/load_balancer.go	0	16	0.0%
pkg/csi/driver/bv_node.go	0	72	0.0%
pkg/oci/client/block_storage.go	0	91	0.0%
pkg/csi/driver/bv_controller.go	101	356	28.37%

Files with Coverage Reduction	New Missed Lines	%
pkg/cloudprovider/providers/oci/load_balancer.go	1	30.21%
pkg/csi/driver/bv_controller.go	1	30.34%
pkg/csi/driver/bv_node.go	1	1.96%

Totals
Change from base Build 4292394607:	0.01%
Covered Lines:	3107
Relevant Lines:	10459

---

💛 - Coveralls

[pranavsriram8]

Changes looks good from CCM - LB perspective

[YashasG98]

Please update version compatibilty matrix in readme

[YashasG98]

@mrunalpagnis do we need to bump up provisioner version https://kubernetes-csi.github.io/docs/external-provisioner.html (the latest one is recommended for 1.26)

[YashasG98]

These commits are not yet out in OKE, is it okay to include here?

[YashwantGohokar]

These commits are not yet out in OKE, is it okay to include here?

Yes. These are bug fixes and don't carry any new features.

[YashwantGohokar]

@mrunalpagnis do we need to bump up provisioner version https://kubernetes-csi.github.io/docs/external-provisioner.html (the latest one is recommended for 1.26)

Bumped provisioner version and re-ran the csi E2Es:
e2e-1.26-csi.log

[YashwantGohokar]

Please update version compatibilty matrix in readme

Updated the compatibility matrix.

[mrunalpagnis]

feedback provided over DM and incorporated in PR hence approving