Update module github.com/urfave/cli/v2 to v2.15.0

Signed-off-by: Renovate Bot <[email protected]>

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/k8up-io/k8up/v2 v2.3.3
 	github.com/lucasepe/codename v0.2.0
 	github.com/stretchr/testify v1.7.3
-	github.com/urfave/cli/v2 v2.10.3
+	github.com/urfave/cli/v2 v2.15.0
 	go.uber.org/zap v1.21.0
 	k8s.io/api v0.24.2
 	k8s.io/apimachinery v0.24.2

go.sum

@@ -1083,8 +1083,8 @@ github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5/go.mod h1:70zkFmudgCuE/
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/urfave/cli v1.22.2/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
-github.com/urfave/cli/v2 v2.10.3 h1:oi571Fxz5aHugfBAJd5nkwSk3fzATXtMlpxdLylSCMo=
-github.com/urfave/cli/v2 v2.10.3/go.mod h1:f8iq5LtQ/bLxafbdBSLPPNsgaW0l/2fYYEHhAyPlwvo=
+github.com/urfave/cli/v2 v2.15.0 h1:/U7qTMlBYcmo/Z34PaaVY0Gw04xoGJqEdRAiWNHNyy8=
+github.com/urfave/cli/v2 v2.15.0/go.mod h1:1CNUng3PtjQMtRzJO4FMXBQvkGtuYRxxiR9xMa7jMwI=
 github.com/vishvananda/netlink v0.0.0-20181108222139-023a6dafdcdf/go.mod h1:+SR5DhBJrl6ZM7CoCKvpw5BKroDKQ+PJqOg65H/2ktk=
 github.com/vishvananda/netlink v1.1.0/go.mod h1:cTgwzPIzzgDAYoQrMm0EdrjRUBkTqKYppBueQtXaqoE=
 github.com/vishvananda/netlink v1.1.1-0.20201029203352-d40f9887b852/go.mod h1:twkDnbuQxJYemMlGd4JFIcuhgX83tXhKS2B/PRMpOho=