docs: update k-csi jobs to use proper testgrid url

[rjsadow]

Update csi gen-jobs.sh and associated job configs with the correct testgrid url since the transition to testgrid.k8s.io/

ref: #30370

/cc @msau42 @saad-ali @xing-yang @jsafrane @pohly

[jsafrane]

/lgtm
/approve

[k8s-ci-robot]

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[k8s-ci-robot]

@rjsadow: Updated the job-config configmap in namespace default at cluster test-infra-trusted using the following files:

• key csi-driver-host-path-config.yaml using file config/jobs/kubernetes-csi/csi-driver-host-path/csi-driver-host-path-config.yaml
• key external-attacher-config.yaml using file config/jobs/kubernetes-csi/external-attacher/external-attacher-config.yaml
• key external-provisioner-config.yaml using file config/jobs/kubernetes-csi/external-provisioner/external-provisioner-config.yaml
• key external-resizer-config.yaml using file config/jobs/kubernetes-csi/external-resizer/external-resizer-config.yaml
• key external-snapshotter-config.yaml using file config/jobs/kubernetes-csi/external-snapshotter/external-snapshotter-config.yaml
• key livenessprobe-config.yaml using file config/jobs/kubernetes-csi/livenessprobe/livenessprobe-config.yaml
• key node-driver-registrar-config.yaml using file config/jobs/kubernetes-csi/node-driver-registrar/node-driver-registrar-config.yaml

In response to this:

Update csi gen-jobs.sh and associated job configs with the correct testgrid url since the transition to testgrid.k8s.io/

ref: #30370

/cc @msau42 @saad-ali @xing-yang @jsafrane @pohly

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