Accounting move PDFs now include deferred start and end dates when applicable. This makes documents clearer for users reviewing deferred revenue or expense timing and reduces the need to look up dates elsewhere.

Before this commit the start date and end date were not present in the pdf of moves.

task-3817563

Employee skills in demo data are now generated and improved on a more regular timeline. This makes sample HR data feel more realistic and consistent for demonstrations and testing.

To improve demo data quality and consistency : skills are generated randomly and have a 1/3 chance of being improved every 3 months.

task : 3682538

This update removes an unused field called "Other Purchase Documents" from the partner records in the Argentina localization module. This field was not being actively used and is being deprecated to simplify the system and reduce unnecessary complexity for users in Argentina.

Task Adhoc side: 34375
Task Latam side: 1177
Deprecate l10n_ar_special_purchase_document_type_ids (Other Purchase Documents) field on model res.partner

---
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr