Add v2023-09-07 release artefacts

[rays22]

Note for the reviewer:

There are CHEBI classes that appear to be removed from the ChEBI slim by the current PR. However, none of the following classes appear to have been added via the seed.txt, so I guess they had been added unintentionally.

• The following classes were automatically added in https://github.com/obophenotype/chebi_obo_slim/pull/16/files

  id: CHEBI:139520
  name: phenolic donor
  id: CHEBI:151472
  name: N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose
  id: CHEBI:156068
  name: alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose(1-)

• The following classes were automatically added in https://github.com/obophenotype/chebi_obo_slim/pull/13/files

  id: CHEBI:195255
  name: gentamicin X2 cation (4+)
  id: CHEBI:195256
  name: geneticin cation(4+)
  id: CHEBI:195274
  name: N-acetyl-D-aspartate(2-)
  id: CHEBI:77452
  name: 2-deoxystreptamine cation
  id: CHEBI:81280
  name: Gentamicin X2

[rays22]

if you spot-checked that no ID removed is in the seed (say, 5 checks), and you are sure you didn't remove anything from the seed, its ok by me!

I have checked all 8 of the removed classes and they not have been part of the seed since the last release.