Bump Velero version to v1.15.0.

Signed-off-by: Xun Jiang <[email protected]>

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.9.0
-	github.com/vmware-tanzu/velero v1.15.0-rc.2
+	github.com/vmware-tanzu/velero v1.15.0
 	golang.org/x/oauth2 v0.19.0
 	google.golang.org/api v0.172.0
 	k8s.io/api v0.29.0

go.sum

@@ -293,8 +293,8 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-github.com/vmware-tanzu/velero v1.15.0-rc.2 h1:D0PmRJFXpwuKQaXUfyHpo0w75A7jdCHnmWvvUuz/6B8=
-github.com/vmware-tanzu/velero v1.15.0-rc.2/go.mod h1:28VhzPJRBo91GBRkgs4Ird0fx2vCpepBWmhF+5Pn/WQ=
+github.com/vmware-tanzu/velero v1.15.0 h1:+S/lNSDwQqlROGWfmNuZnnabopGmco978COIt3AP09c=
+github.com/vmware-tanzu/velero v1.15.0/go.mod h1:28VhzPJRBo91GBRkgs4Ird0fx2vCpepBWmhF+5Pn/WQ=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=