* feat: jenkins CI initial
* feat: publish over SSH
* feat: more details regarding build-id generation
* feat: prebuild download logic
* feat: force fast_builds on GitHub CI runs
* feat: add make clean to contrib/depends and invoke it on CI to reduce SSH upload step time
* fix: correct linux save path
* revert: make clean
* separate builds
* enhance sshPublisher
* fix: github CI: depracate GitHub cache, fix DEPENDS_UNTRUSTED_FAST_BUILDS
* fix: sha256sum logic
* chore: refactor github actions and Jenkinsfile to only execute when required
* ci: update ci to 15 and xcode to 16.4
* ci: cleanup builddir before starting
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