[docs]: Most versions between 23.4.1 and 26.1 missing from ReadTheDocs

# Documentation request This was [brought up previously](https://github.com/canonical/cloud-init/issues/6020) but only the missing 24.2 and 24.3 docs were deployed with the underlying problem apparently not addressed. "Latest" has 26.1 in the left sidebar but most recent versions are missing. - [ ] 26.1 - [ ] 25.3 - [ ] 25.2 - [ ] 25.1.4 - [ ] 25.1.3 - [ ] 25.1.2 - [ ] 25.1.1 - [ ] 25.1 - [ ] 24.4.1 - [ ] 24.4 - [ ] 24.3.1 - [x] 24.3 - [x] 24.2 - [ ] 24.1.7 - [ ] 24.1.6 - [ ] 24.1.4 - [ ] 24.1.3 - [ ] 24.1.2 - [ ] 24.1.1 - [x] 24.1 - [ ] 23.4.4 - [ ] 23.4.3 - [ ] 23.4.2 - [x] 23.4.1 - [x] 23.4 - [x] 23.3.3 - [x] 23.3.2 - [ ] 23.3 Partial screencap from https://docs.cloud-init.io/en/latest/ <img width="309" height="429" alt="Image" src="https://github.com/user-attachments/assets/b2751f38-12c0-413a-a460-cf690cd9e47b" /> --- *Reported from: https://docs.cloud-init.io/en/latest/