Neos 9.2.0-beta1

https://discuss.neos.io/t/neos-9-2-beta-1-release/7229

What's Changed

• FEATURE: Add backend document node link to workspace breadcrumb by @on3iro in #5738
• Tweak SoftRemovalGarbageCollector by @bwaidelich in #5789
• FEATURE: Soft removal garbage collection grace period by @nezaniel in #5787
• TASK: Update PHP version requirement to 8.4 by @kitsunet in #5841
• FEATURE: Workspace module with role assignments by @mhsdesign in #5441
• TASK: Greatly simplify pruning in CR maintainer by @mhsdesign in #5802
• TASK: Use proper version checks for workspace events by @bwaidelich in #5488
• BUGFIX: Instantiate datasources via object manager by @Sebobo in #5865
• TAKS: Use new workspaces icon in backend module by @Sebobo in #5866
• FEATURE: Replay throughput profiling chart via a PerformanceTracer by @skurfuerst in #5872
• TASK: Add parallel test that ChangeBaseWorkspace is thread safe by @mhsdesign in #5888
• TASK: Allow core developers (me) to use cli tools like flow setup or others to work and inspect the testing content repository by @mhsdesign in #5897
• BUGFIX: Show skipped projections in cr:setup by @mhsdesign in #5899
• BUGFIX: UntagSubtree must preserve inherited tags for other affected dimension space points by @mhsdesign in #5894
• TASK: Internal API to replay only single projection without catchup hooks by @mhsdesign in #5889
• TASK: Provide upgrade re-setup and replay content graph by @mhsdesign in #5896
• TASK: Add upgrade to deduplicate parallel base workspace changes by @mhsdesign in #5884
• FEATURE: Content graph hierarchy layers / Copy hierarchies on write / Instant forks by @mhsdesign in #5776
• FEATURE: Major Performance-improvements in big Sites by Hierarchy-relation Pre-filtering + Declarative Value Object Query-building by @mhsdesign in #5874
• FEATURE: Improve MySQL projection performance by more than factor 8 by @skurfuerst in #5902

See changelog for details.