Odoo Release Updates

[FIX] http: Headers proxy compat for Trixie

[IMP] core: bump minimal python version to 3.12

[REM] delivery_*: remove nightly tags

[IMP] mass_mailing, web: add conditional visibility on snippets

[IMP] core: bump minimal postgresql version to 16

[FIX] hr{_attendance}: allow attendance officers that are not hr officers to create attendances

[FIX] l10n_es_reports: fix 303 domain in tax returns

[FIX] account: UX of trusted bank accounts

[FIX] account_accountant: partial amount when amount exceeds

[FIX] l10n_ae_hr_payroll_account: ensure test user has payroll rights

[REF] mrp_workorder,whatsapp_stock: use custom company in stock tests

[IMP] web: ace: qweb: add token for attributes that should not be changed

[FIX] ai: fix channels with prompt buttons but no default prompt

[IMP] survey: remove unnecessary sudo

[FIX] point_of_sale: show error message when country is not set

[FIX] pos_qfpay: fix undeterministic error in test

[REV] web: revert "too many data in graph"

[FIX] website: remove selection in dropdown when it closes

[FIX] mass_mailing: inline placeholder elements

[FIX] website: display image gallery snippet without error

[MOV] spreadsheet: rename plugin file

[FIX] l10n_it_xml_export: fix remove `text()` in xpath

[FIX] sign: delete role with radio button

[IMP] l10n_account_edi_ubl_cii_tests: Add tests for UBL SG

[FIX] api_doc: ConstantMapping is not json-serializable

[IMP] iot_drivers: network quality check on receipts

[IMP] core: typing consistency of Cursor

[FIX] hr_payroll: remove res_id on open payrun employees

[IMP] documents: remove `/` when downloading documents

[FIX] spreadsheet: fix share dropdown style on mobile