fix: docker image

Changed docker image from scratch to golang because with golang/x/tools
lift from v0.26.0 to v0.27.0 there was a breaking change of
of retrieving golang env variables using go executable. Which breaks
ogen in scratch image as go isn't available.

Dockerfile

@@ -10,7 +10,7 @@ RUN go mod download
 
 RUN CGO_ENABLED=0 go build -o /go/bin/ogen ./cmd/ogen/main.go
 
-FROM scratch
+FROM golang:1.23.3
 
 WORKDIR /