Add Cinebench R15|R20|R23

[AkariiinMKII]

• [x] I have read the Contributing Guide.

[github-actions[bot]]

All changes look good.

Wait for review from human collaborators.

Cinebench-R15

• [x] Description
• [x] License
• [x] Hashes

Cinebench-R20

• [x] Description
• [x] License
• [x] Hashes

Cinebench-R23

• [x] Description
• [x] License
• [x] Hashes