Changed the default email recipient for CI notifications

Author: ezimuel

.ci/jobs/defaults.yml

@@ -68,7 +68,7 @@
         .ci/run-tests
     publishers:
     - email:
-        recipients: infra-root+[email protected]
+        recipients: build-lang-clients@elastic.co
     - junit:
         results: "tests/*-junit.xml"
         allow-empty-results: true