Merge pull request #19249 from breskeby/update-elasticsearch-maintainer

Update maintainer for elasticsearch

library/elasticsearch

@@ -1,4 +1,4 @@
-Maintainers: Mark Vieira (@mark-vieira)
+Maintainers: Rene Groeschke (@breskeby)
 GitRepo: https://github.com/elastic/dockerfiles.git
 Directory: elasticsearch
 Builder: buildkit