Fix If statement CPO conformance playbook (apache#636)

Author: adisky

playbooks/cloud-provider-openstack-acceptance-test-e2e-conformance/run.yaml

@@ -113,7 +113,7 @@
           export KUBE_FASTBUILD=true
           export KUBERNETES_CONFORMANCE_TEST=y
           # Go modules not supported by kubernetes before v1.15
-          if [ '{{ k8s_version }}' == 'release-1.13' || '{{ k8s_version }}' == 'release-1.14' ]; then
+          if [ '{{ k8s_version }}' == 'release-1.13' ] || [ '{{ k8s_version }}' == 'release-1.14' ]; then
             unset GO111MODULE
             unset GOSUMDB
             unset GOPROXY