Push to latest for master branch as well

Jenkinsfile

@@ -25,7 +25,7 @@ pipeline {
 					}
 					steps {
 						script {
-							env.BUILDX_PUSH_TAGS = "-t docker.io/jc21/${IMAGE}:${BUILD_VERSION} -t docker.io/jc21/${IMAGE}:${MAJOR_VERSION}"
+							env.BUILDX_PUSH_TAGS = "-t docker.io/jc21/${IMAGE}:${BUILD_VERSION} -t docker.io/jc21/${IMAGE}:${MAJOR_VERSION} -t docker.io/jc21/${IMAGE}:latest"
 						}
 					}
 				}