Update the schema diagram to reflect the new ParticleID to ReconstructedParticle relation

[tmadlener]

BEGINRELEASENOTES

• Update the schema diagram to reflect the changes from #268

ENDRELEASENOTES

• [x] Builds on #302

I split this into two PRs, because #302 shouldn't be too controversial, while removing the version might be a bit less clear

[andresailer]

Keeping the version would be nice indeed.

[tmadlener]

Brought the version back, but I am not entirely sure what to set it to for the moment.