Bump alpine to 3.20.1 for ship container image

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Author: alexellis

template/golang-http/Dockerfile

@@ -36,7 +36,7 @@ WORKDIR /go/src/handler
 RUN CGO_ENABLED=${CGO_ENABLED} GOOS=${TARGETOS} GOARCH=${TARGETARCH} GOFLAGS=${GOFLAGS} \
     go build --ldflags "-s -w" -o handler .
 
-FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:3.19.1 AS ship
+FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:3.20.1 AS ship
 # Add non root user and certs
 
 RUN apk --no-cache add ca-certificates \

template/golang-middleware/Dockerfile

@@ -33,7 +33,7 @@ WORKDIR /go/src/handler
 RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
     go build --ldflags "-s -w" -o handler .
 
-FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:3.19.1 AS ship
+FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:3.20.1 AS ship
 
 # Add non root user and certs
 RUN apk --no-cache add ca-certificates \