Test packages on Python 3.14

[redeboer]

Python 3.14 is scheduled to be released on Oct 7^th, 2025 (PEP 745). Some packages already can be tested before that days on the release candidates, as their dependencies already support Python 3.14.

The following repositories contain classifiers that need to be updated:
https://github.com/search?q=org%3AComPWA+%22Programming+Language+%3A%3A+Python+%3A%3A+3.11%22+path%3Apyproject.toml+NOT+3.14&type=code

Implementation

• BEHAVIOR: add Python 3.14 to allowed classifiers actions#146
• BEHAVIOR: add Python 3.14 to allowed classifiers #529

Packages

• MAINT: upgrade lock files ampform#481
• MAINT: upgrade lock files ampform-dpd#171
• MAINT: upgrade lock files polarimetry#422
• MAINT: test package on Python 3.14 #547
• DX: upgrade environment to Python 3.13 PWA-pages#235
• MAINT: test package on Python 3.14 qrules#321
• DX: upgrade environment to Python 3.13 sphinx-hep-pdgref#47
• DX: upgrade environment to Python 3.13 RUB-EP1/pawian-tools#61
• https://github.com/ComPWA/tensorwaves