[TASK] Update composer manifest for 3.0.0-beta5
[TASK] Update composer manifest for 3.0.0-beta5

See https://jenkins.neos.io/job/Flow%20-%20Release/57/

Releases: 3.0
Original-Commit-Hash: b42e788598aa4aa77d7a7bdb66728a36b7164a12

neos/fluid,neos/fluid