Updated Go version

Signed-off-by: Marcus Noble <github@marcusnoble.co.uk>

Dockerfile

@@ -1,11 +1,11 @@
-FROM golang:1.17-alpine AS builder
+FROM golang:1.27-alpine AS builder
 WORKDIR /app/
 ADD go.mod go.sum ./
 RUN go mod download
 ADD . .
 RUN GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -ldflags="-w -s" -o speedtest-exporter main.go
 
-FROM golang:1.17-alpine
+FROM golang:1.27-alpine
 WORKDIR /app/
 COPY --from=builder /app/speedtest-exporter /app/speedtest-exporter
 ENTRYPOINT ["/app/speedtest-exporter"]

go.mod

@@ -1,6 +1,6 @@
 module speedtest-exporter
 
-go 1.17
+go 1.27
 
 require (
 	github.com/prometheus/client_golang v1.12.2