Remove pydantic dependency (#18)

* PackConfig does not rely on pydantic anymore

* PyProjectConfig does not rely on pydantic anymore

* renaming

* remove pydantic from pkg dep and update changelog

Author: francesco086

CHANGELOG.md

@@ -10,6 +10,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 Anything MAY change at any time. The public API SHOULD NOT be considered stable.").
 While in this phase, we will denote breaking changes with a minor increase.
 
+## Unreleased
+
+### Changed
+
+* `dac` does not rely on [`pydantic`](https://pypi.org/project/pydantic/) anymore, and uses [`dataclass`](https://docs.python.org/3/library/dataclasses.html#) instead.
+  Changes affect `PackConfig` and `PyProjectConfig`.
+
 ## 0.3.3
 
 ### Fixed

pyproject.toml

@@ -4,12 +4,12 @@ dynamic = ["version"]
 description = "Tool to distribute data as code"
 readme = "README.md"
 requires-python = ">=3.9"
-license = {text = "MIT"}
+license = { text = "MIT" }
 authors = [
-  {name = "Francesco Calcavecchia", email = "francesco.calcavecchia@gmail.com"}
+  { name = "Francesco Calcavecchia", email = "francesco.calcavecchia@gmail.com" },
 ]
 maintainers = [
-  {name = "Francesco Calcavecchia", email = "francesco.calcavecchia@gmail.com"}
+  { name = "Francesco Calcavecchia", email = "francesco.calcavecchia@gmail.com" },
 ]
 classifiers = [
   "Programming Language :: Python :: 3",
@@ -18,16 +18,10 @@ classifiers = [
   "Topic :: Software Development :: Build Tools",
   "License :: OSI Approved :: MIT License",
   "Topic :: Scientific/Engineering",
-  "Operating System :: OS Independent"
+  "Operating System :: OS Independent",
 ]
 
-dependencies = [
-  "build~=0.9",
-  "pydantic>=1.10,<3.0",
-  "toml~=0.10",
-  "typer[all]~=0.7",
-  "wheel~=0.38"
-]
+dependencies = ["build~=0.9", "toml~=0.10", "typer[all]~=0.7", "wheel~=0.38"]
 
 # [project.optional-dependencies]
 #
@@ -42,11 +36,7 @@ changelog = "https://github.com/data-as-code/dac/blob/main/CHANGELOG.md"
 dac = "dac._cli:app"
 
 [build-system]
-requires = [
-    "setuptools>=45",
-    "wheel",
-    "setuptools_scm[toml]>=6.2"
-]
+requires = ["setuptools>=45", "wheel", "setuptools_scm[toml]>=6.2"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools_scm]