fix(deps): update module github.com/urfave/cli/v2 to v2.4.8

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/go-vela/types v0.13.0
 	github.com/jordan-wright/email v4.0.1-0.20210109023952-943e75fe5223+incompatible
 	github.com/sirupsen/logrus v1.8.1
-	github.com/urfave/cli/v2 v2.4.4
+	github.com/urfave/cli/v2 v2.4.8
 	golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 // indirect
 	golang.org/x/sys v0.0.0-20211013075003-97ac67df715c // indirect
 )

go.sum

@@ -34,8 +34,8 @@ github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE
 github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/urfave/cli/v2 v2.4.4 h1:IvwT3XfI6RytTmIzC35UAu9oyK+bHgUPXDDZNqribkI=
-github.com/urfave/cli/v2 v2.4.4/go.mod h1:oDzoM7pVwz6wHn5ogWgFUU1s4VJayeQS+aEZDqXIEJs=
+github.com/urfave/cli/v2 v2.4.8 h1:9HuvvddU3oEJr1tJlwUVVsk3snVWMuKSpyAO+SzTNuI=
+github.com/urfave/cli/v2 v2.4.8/go.mod h1:oDzoM7pVwz6wHn5ogWgFUU1s4VJayeQS+aEZDqXIEJs=
 golang.org/x/net v0.0.0-20210614182718-04defd469f4e/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 h1:CIJ76btIcR3eFI5EgSo6k1qKw9KJexJuRLI9G7Hp5wE=