Set up Eclipse Jenkins pipeline

[TrevCraw]

Instructions for setting up the Jenkins job to deploy artifacts to repo.eclipse.org: https://wiki.eclipse.org/Services/Nexus#Deploying_artifacts_to_repo.eclipse.org

We will need both a snapshot and release repo for hosting the artifacts.

[mattbsox]

Opened an issue to get an Eclipse Jenkins instance set up: https://gitlab.eclipse.org/eclipsefdn/helpdesk/-/issues/2110

[mattbsox]

Will also require a Nexus repo to be set up. Opened and issue for that as well: https://gitlab.eclipse.org/eclipsefdn/helpdesk/-/issues/2114

[kathrynkodama]

Opened an issue for GitHub permissions error in Eclipse Jenkins instance: https://gitlab.eclipse.org/eclipsefdn/helpdesk/-/issues/2489