upgrade exoscale dependency

go.mod

@@ -25,7 +25,7 @@ require (
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/digitalocean/go-qemu v0.0.0-20201211181942-d361e7b4965f
 	github.com/digitalocean/godo v1.11.1
-	github.com/exoscale/packer-plugin-exoscale v0.1.0
+	github.com/exoscale/packer-plugin-exoscale v0.1.1
 	github.com/fatih/camelcase v1.0.0
 	github.com/fatih/structtag v1.0.0
 	github.com/go-ini/ini v1.25.4