bump go to 1.18 in scaffolded Dockerfile (#182)

* bump go to 1.18 in scaffolded Dockerfile

Signed-off-by: Bryce Palmer <[email protected]>

* update testdata

Signed-off-by: Bryce Palmer <[email protected]>

Author: everettraven

pkg/plugins/hybrid/v1alpha/scaffolds/internal/templates/dockerfile.go

@@ -41,7 +41,7 @@ func (f *Dockerfile) SetTemplateDefaults() error {
 // `api/` and `controller/` they would have to be added.
 
 const dockerfileTemplate = `# Build the manager binary
-FROM golang:1.17 as builder
+FROM golang:1.18 as builder
 
 WORKDIR /workspace
 # Copy the Go Modules manifests

testdata/hybrid/memcached-operator/Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM golang:1.17 as builder
+FROM golang:1.18 as builder
 
 WORKDIR /workspace
 # Copy the Go Modules manifests