Set default sending to Milvus Dev mail group (#1121)

* run hadolint with reviewdog

* add LINCENSE in Dockerfile

* run hadolint with reviewdog

* Reporter of reviewdog command is "github-pr-check"

* format Dockerfile

* ignore DL3007 in hadolint

* clean up old docker images

* Add GPU sharing solution on native Kubernetes

* nightly test mailer

* Filtering for specific paths in Jenkins CI

* Filtering for specific paths in Jenkins CI

* Filtering for specific paths in Jenkins CI

* Filtering for specific paths in Jenkins CI

* Filtering for specific paths in Jenkins CI

* Filtering for specific paths in Jenkins CI

* Test filtering for specific paths in Jenkins CI

* Test filtering for specific paths in Jenkins CI

* Test filtering for specific paths in Jenkins CI

* Test filtering for specific paths in Jenkins CI

* Test filtering for specific paths in Jenkins CI

* Test filtering for specific paths in Jenkins CI

* Test filtering for specific paths in Jenkins CI

* Test filtering for specific paths in Jenkins CI

* Test filtering for specific paths in Jenkins CI

* Filtering for specific paths in Jenkins CI

* Filtering for specific paths in Jenkins CI

* Filtering for specific paths in Jenkins CI

* Filtering for specific paths in Jenkins CI

* No skip ci when triggered by a time

* Don't skip ci when triggered by a time

* Set default sending to Milvus Dev

ci/jenkins/Jenkinsfile

@@ -250,7 +250,7 @@ pipeline {
                         [$class: 'RequesterRecipientProvider']
                     ],
                     replyTo: '$DEFAULT_REPLYTO',
-                    to: '$DEFAULT_RECIPIENTS'
+                    to: 'dev.milvus@zilliz.com'
                 }
             }
         }