build: only tag latest in docker when version is not prerelease
build: only tag latest in docker when version is not prerelease

version tag has to match "v0.1.2"

Signed-off-by: Javi Fontan <bd6f2f0212e303b54f36d84bb19ae60fa8e400a6@gmail.com>

gitql/gitql,gitql/gitql