Write latest master build to downloads.eclipse.org

Using https://download.eclipse.org/pde/builds/master/ as destination so
it can be tested more broadly.
Mainly motivated to have a permanent download space which wasn't there
as discovered in
https://gitlab.eclipse.org/eclipsefdn/helpdesk/-/issues/4172

Jenkinsfile

@@ -41,5 +41,18 @@ pipeline {
  }
  }
  }
+ stage('Deploy') {
+ when {
+ branch 'master'
+ }
+ steps {
+ sshagent ( ['projects-storage.eclipse.org-bot-ssh']) {
+ sh '''
+ ssh [email protected] "rm -rf /home/data/httpd/download.eclipse.org/pde/builds/master/*"
+ scp -r repository/target/repository/* [email protected]:/home/data/httpd/download.eclipse.org/pde/builds/master/
+ '''
+ }
+ }
+ }
  }
 }