use v1.0.2 of zombienet (#4553)

polkadot/.gitlab-ci.yml

@@ -27,8 +27,7 @@ variables:
   CI_IMAGE:                        "paritytech/ci-linux:production"
   DOCKER_OS:                       "debian:stretch"
   ARCH:                            "x86_64"
- #ZOMBIENET_IMAGE:                 "docker.io/paritytech/zombienet"
-  ZOMBIENET_IMAGE:                 "docker.io/paritypr/zombienet:ec2fa96d"
+  ZOMBIENET_IMAGE:                 "docker.io/paritytech/zombienet:v1.0.2"
   VAULT_SERVER_URL:                "https://vault.parity-mgmt-vault.parity.io"
   VAULT_AUTH_PATH:                 "gitlab-parity-io-jwt"
   VAULT_AUTH_ROLE:                 "cicd_gitlab_parity_${CI_PROJECT_NAME}"