Replace update api invocations with patch api

[chethanv28]

What this PR does / why we need it:
Replace update api invocations with patch api for multiple api resources & for the following files:

PersistentVolumeClaim (annotations)	                               pkg/syncer/fullsync.go
PersistentVolumeClaim (finalizer)	                             pkg/syncer/fullsync.go
VolumeSnapshot (finalizer)	pkg/syncer/fullsync.go
PersistentVolumeClaim (health annotation)	pkg/syncer/volume_health.go
PersistentVolumeClaim (health annotation retry)	pkg/syncer/volume_health.go
PersistentVolumeClaim (backing disk annotation)	pkg/syncer/pv_to_backingdiskobjectid_mapping.go
PersistentVolumeClaim (backing disk annotation retry)	pkg/syncer/pv_to_backingdiskobjectid_mapping.go
StoragePool	pkg/syncer/storagepool/intended_state.go
CnsFileVolumeClient	pkg/syncer/metadatasyncer.go
CnsFileVolumeClient	pkg/internalapis/cnsoperator/cnsfilevolumeclient/cnsfilevolumeclient.go
CnsFileVolumeClient	pkg/internalapis/cnsoperator/cnsfilevolumeclient/cnsfilevolumeclient.go
CnsFileVolumeClient	pkg/internalapis/cnsoperator/cnsfilevolumeclient/cnsfilevolumeclient.go
CnsVolumeOperationRequest	pkg/internalapis/cnsvolumeoperationrequest/cnsvolumeoperationrequest.go
CnsRegisterVolume	pkg/syncer/cnsoperator/controller/cnsregistervolume/cnsregistervolume_controller.go
CnsUnregisterVolume	pkg/syncer/cnsoperator/controller/cnsunregistervolume/controller.go
CnsUnregisterVolume	pkg/syncer/cnsoperator/controller/cnsunregistervolume/controller.go
CnsNodeVmAttachment	pkg/syncer/cnsoperator/controller/cnsnodevmattachment/cnsnodevmattachment_controller.go
CnsNodeVmAttachment	pkg/syncer/cnsoperator/controller/cnsnodevmattachment/cnsnodevmattachment_controller.go
CnsNodeVMBatchAttachment Status	pkg/syncer/cnsoperator/controller/cnsnodevmbatchattachment/cnsnodevmbatchattachment_helper.go
PersistentVolume	pkg/kubernetes/kubernetes.go
PersistentVolumeClaim	pkg/kubernetes/kubernetes.go
PersistentVolumeClaim	pkg/kubernetes/kubernetes.go
ConfigMap	pkg/csi/service/common/commonco/k8sorchestrator/k8sorchestrator.go
PersistentVolume	pkg/csi/service/common/commonco/k8sorchestrator/k8sorchestrator.go
PersistentVolumeClaim	pkg/csi/service/common/commonco/k8sorchestrator/k8sorchestrator.go
PersistentVolumeClaim	pkg/csi/service/common/commonco/k8sorchestrator/k8sorchestrator_helper.go
CustomResourceDefinition	pkg/kubernetes/kubernetes.go
Generic Object (with finalizer)	pkg/kubernetes/kubernetes.go
Generic Object (remove finalizer)	pkg/kubernetes/kubernetes.go
Generic Object Status	pkg/kubernetes/kubernetes.go

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

Testing done:
TBA

Special notes for your reviewer:

Release note:

Replace update api invocations with patch api

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chethanv28

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[k8s-ci-robot]

@chethanv28: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-vsphere-csi-driver-verify-fmt	a6cc461	link	true	/test pull-vsphere-csi-driver-verify-fmt
pull-vsphere-csi-driver-verify-golangci-lint	a6cc461	link	true	/test pull-vsphere-csi-driver-verify-golangci-lint
pull-vsphere-csi-driver-unit-test	a6cc461	link	true	/test pull-vsphere-csi-driver-unit-test

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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