Worker node upgrade chain

clitools/docker/ctl-builder-local.Dockerfile

@@ -1,24 +0,0 @@
-FROM golang:1.26-alpine AS build
-
-ARG VERSION
-ARG KUBE_VERSION
-ARG GIT_REV=unknown
-
-WORKDIR /src
-
-RUN apk add --no-cache git build-base
-
-COPY go.mod go.sum ./
-RUN go mod download
-
-COPY . .
-
-RUN test -f pkg/buildinfo/buildinfo_gen.go
-
-RUN mkdir -p /out && \
-    GOOS=darwin GOARCH=arm64 CGO_ENABLED=0 \
-    go build -trimpath -ldflags="-s -w" \
-      -o /out/ctl-${VERSION} ./cmd/ctl
-
-FROM scratch
-COPY --from=build /out/ /