Merge branch 'feat/bump-golang-image' into 'master'

switch to current Debian stable flavor image

See merge request to-be-continuous/golang!59

templates/gitlab-ci-golang.yml

@@ -62,7 +62,7 @@ variables:
   GO_PROJECT_DIR: .
 
   # Default Docker image (can be overridden)
-  GO_IMAGE: "registry.hub.docker.com/library/golang:buster"
+  GO_IMAGE: "registry.hub.docker.com/library/golang:bookworm"
 
   # Default flags for 'build' command
   GO_BUILD_FLAGS: >-