0.4.0-beta4

What's Changed

• Entity owners by @matteo-s in #84
• Solr sort by @micnori in #81
• Label by @matteo-s in #85
• Solr base entity by @matteo-s in #86
• Metadata by @matteo-s in #88
• Workflow support, kfp runtime by @kazhamiakin in #83
• Wf2: refactoring WF implementation by @kazhamiakin in #90
• Solr context search by @micnori in #89
• feat: kaniko build infrastructure by @matteo-s in #94
• Mlrun-build by @kazhamiakin in #93

Full Changelog: v0.3.0-beta8...0.4.0-beta4