OZG-2963 adjust env name elasticsearch -> search

Jenkinsfile

@@ -616,7 +616,7 @@ String generateCypressConfig(String stage, String bezeichner, String testFolder)
         config.reporterOptions.reportDir = "./reports/${testFolder}/mochawesome-report" as String
 
         environment = config.env
-        environment.put("elasticsearch", elasticsearchEnv)
+        environment.put("search", elasticsearchEnv)
 
         writeJSON file: configName, json: config