👷 Switch to dynamic versioning with pdm build system

[svlandeg]

Fixes #15

• Use dynamic versioning specified in __init__.py
• Switch to pdm as uv-build doesn't support dynamic versioning as far as I can see
• Remove license classifier as this will otherwise error with

pdm.backend.exceptions.ValidationError: project.license: Setting "project.license" to an SPDX license expression is not compatible with 'License ::' classifiers

Sanity check

Building locally, pasting here the output of the project section in the pyproject.toml extracted from the tar file:

Main

[project]
name = "annotated-doc"
version = "0.0.3"
license = "MIT"
license-files = ["LICENSE"]
description = "Document parameters, class attributes, return types, and variables inline, with Annotated."
readme = "README.md"
authors = [
    { name = "Sebastián Ramírez", email = "tiangolo@gmail.com" }
]
requires-python = ">=3.8"
classifiers = [
    "Intended Audience :: Information Technology",
    "Intended Audience :: System Administrators",
    "Operating System :: OS Independent",
    "Programming Language :: Python :: 3",
    "Programming Language :: Python",
    "Topic :: Internet",
    "Topic :: Software Development :: Libraries :: Application Frameworks",
    "Topic :: Software Development :: Libraries :: Python Modules",
    "Topic :: Software Development :: Libraries",
    "Topic :: Software Development",
    "Typing :: Typed",
    "Development Status :: 4 - Beta",
    "Intended Audience :: Developers",
    "License :: OSI Approved :: MIT License",
    "Programming Language :: Python :: 3 :: Only",
    "Programming Language :: Python :: 3.8",
    "Programming Language :: Python :: 3.9",
    "Programming Language :: Python :: 3.10",
    "Programming Language :: Python :: 3.11",
    "Programming Language :: Python :: 3.12",
    "Programming Language :: Python :: 3.13",
    "Programming Language :: Python :: 3.14",
]
dependencies = []

This PR

[project]
name = "annotated-doc"
dynamic = []
license = "MIT"
license-files = [
    "LICENSE",
]
description = "Document parameters, class attributes, return types, and variables inline, with Annotated."
readme = "README.md"
authors = [
    { name = "Sebastián Ramírez", email = "tiangolo@gmail.com" },
]
requires-python = ">=3.8"
classifiers = [
    "Intended Audience :: Information Technology",
    "Intended Audience :: System Administrators",
    "Operating System :: OS Independent",
    "Programming Language :: Python :: 3",
    "Programming Language :: Python",
    "Topic :: Internet",
    "Topic :: Software Development :: Libraries :: Application Frameworks",
    "Topic :: Software Development :: Libraries :: Python Modules",
    "Topic :: Software Development :: Libraries",
    "Topic :: Software Development",
    "Typing :: Typed",
    "Development Status :: 4 - Beta",
    "Intended Audience :: Developers",
    "Programming Language :: Python :: 3 :: Only",
    "Programming Language :: Python :: 3.8",
    "Programming Language :: Python :: 3.9",
    "Programming Language :: Python :: 3.10",
    "Programming Language :: Python :: 3.11",
    "Programming Language :: Python :: 3.12",
    "Programming Language :: Python :: 3.13",
    "Programming Language :: Python :: 3.14",
]
dependencies = []
version = "0.0.3"

[tiangolo]

Awesome, thank you! 🚀

I'll release this in version 0.0.4 in the next minutes.