* Makefile.common: add 'update-deps' target

Also updated the RELEASE.md document to adjust the instructions about
dependencies management.

Signed-off-by: Simon Pasquier <spasquie@redhat.com>

* Rename udpdate-deps -> update-go-deps

Signed-off-by: Simon Pasquier <spasquie@redhat.com>

* Remove use of jq

Signed-off-by: Simon Pasquier <spasquie@redhat.com>

* Use $(GO) instead of literal "go"

Signed-off-by: Simon Pasquier <spasquie@redhat.com>