Merge branch 'renovate/docker.io-library-golang-1.x' into 'master'

Update docker.io/library/golang Docker tag to v1.22

See merge request !13

Dockerfile

-FROM docker.io/library/golang:1.21 as build
+FROM docker.io/library/golang:1.22 as build
 ADD . /src
 RUN cd /src && go build -tags netgo -o service-prober ./cmd/service-prober && strip service-prober