Merge pull request #1437 from justaugustus/kube-cross

kube-cross: Build v1.15.0-rc.1-1 image

Author: k8s-ci-robot

images/build/cross/variants.yaml

@@ -1,14 +1,14 @@
 variants:
   canary:
     CONFIG: 'canary'
-    GO_VERSION: '1.15beta1'
-    KUBE_CROSS_VERSION: 'v1.15.0-beta.1-canary-1'
+    GO_VERSION: '1.15rc1'
+    KUBE_CROSS_VERSION: 'v1.15.0-rc.1-canary-1'
     PROTOBUF_VERSION: '3.0.2'
     ETCD_VERSION: 'v3.4.9'
   go1.15:
     CONFIG: 'go1.15'
-    GO_VERSION: '1.15beta1'
-    KUBE_CROSS_VERSION: 'v1.15.0-beta.1-1'
+    GO_VERSION: '1.15rc1'
+    KUBE_CROSS_VERSION: 'v1.15.0-rc.1-1'
     PROTOBUF_VERSION: '3.0.2'
     ETCD_VERSION: 'v3.4.9'
   go1.14: