chore: tidy e2e/go.mod

Author: aks-node-assistant[bot]

e2e/go.mod

@@ -20,6 +20,7 @@ require (
 	github.com/blang/semver v3.5.1+incompatible
 	github.com/caarlos0/env/v11 v11.3.1
 	github.com/joho/godotenv v1.5.1
+	github.com/pkg/sftp v1.13.10
 	github.com/sanity-io/litter v1.5.5
 	github.com/stretchr/testify v1.11.1
 	github.com/tidwall/gjson v1.18.0
@@ -44,7 +45,6 @@ require (
 	github.com/coreos/vcontext v0.0.0-20230201181013-d72178a18687 // indirect
 	github.com/go-logr/zapr v1.3.0 // indirect
 	github.com/kr/fs v0.1.0 // indirect
-	github.com/pkg/sftp v1.13.10 // indirect
 	github.com/vincent-petithory/dataurl v1.0.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect