Merge pull request kubernetes-csi#312 from chrishenzie/csi-spec-v1.5.0

Use CSI spec v1.5.0

go.mod

@@ -3,7 +3,7 @@ module github.com/kubernetes-csi/external-attacher
 go 1.16
 
 require (
-	github.com/container-storage-interface/spec v1.4.0
+	github.com/container-storage-interface/spec v1.5.0
 	github.com/davecgh/go-spew v1.1.1
 	github.com/evanphx/json-patch v4.9.0+incompatible
 	github.com/golang/mock v1.4.4

go.sum

@@ -87,8 +87,8 @@ github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:z
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
 github.com/container-storage-interface/spec v1.2.0/go.mod h1:6URME8mwIBbpVyZV93Ce5St17xBiQJQY67NDsuohiy4=
 github.com/container-storage-interface/spec v1.3.0/go.mod h1:6URME8mwIBbpVyZV93Ce5St17xBiQJQY67NDsuohiy4=
-github.com/container-storage-interface/spec v1.4.0 h1:ozAshSKxpJnYUfmkpZCTYyF/4MYeYlhdXbAvPvfGmkg=
-github.com/container-storage-interface/spec v1.4.0/go.mod h1:6URME8mwIBbpVyZV93Ce5St17xBiQJQY67NDsuohiy4=
+github.com/container-storage-interface/spec v1.5.0 h1:lvKxe3uLgqQeVQcrnL2CPQKISoKjTJxojEs9cBk+HXo=
+github.com/container-storage-interface/spec v1.5.0/go.mod h1:8K96oQNkJ7pFcC2R9Z1ynGGBB1I93kcS6PGg3SsOk8s=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=