andyzhangx: doc: cut v1.5.0 release

JobBuild
746
07-24 00:47
pull-azurefile-csi-driver-e2e 1418734401868533760
pull-azurefile-csi-driver-e2e-migration 1418734402078248960
pull-azurefile-csi-driver-e2e-migration-windows 1418734402392821760
pull-azurefile-csi-driver-e2e-vmss 1418734401952419840
pull-azurefile-csi-driver-e2e-windows 1418734402074054656
pull-azurefile-csi-driver-e2e-windows-containerd 1418734402166329344
pull-azurefile-csi-driver-external-e2e-nfs 1418746586887884800 1418734404028600320
pull-azurefile-csi-driver-external-e2e-smb 1418734403189739520
pull-azurefile-csi-driver-integration 1418734401788841984
pull-azurefile-csi-driver-sanity 1418734401730121728
pull-azurefile-csi-driver-unit 1418734401654624256
pull-azurefile-csi-driver-verify 1418734401583321088
pull-azurefile-csi-driver-windows-build 1418734402120192000