fix(ci): use linux.bundle() to add credentials

Otherwise none of these credentials are present:
https://github.com/status-im/status-jenkins-lib/blob/master/vars/linux.groovy

Signed-off-by: Jakub Sokołowski <jakub@status.im>

ci/Jenkinsfile.tests-e2e

@@ -100,7 +100,7 @@ pipeline {
         GANACHE_NETWORK_RPC_URL = "http://localhost:${env.GANACHE_RPC_PORT}"
       }
       steps { script {
-        sh 'make nim_status_client'
+        linux.bundle('nim_status_client')
       } }
     }