build: Adopt PEP 735 for development dependency management

Author: p-r-a-v-i-n

pyproject.toml

@@ -34,13 +34,33 @@ dynamic = [ "version" ]
 
 dependencies = [ "django>=4.2" ]
 
-optional-dependencies.documentation = [
+[dependency-groups]
+dev = [
+  { include-group = "docs" },
+  { include-group = "optional" },
+  { include-group = "test" },
+]
+
+test = [
+  # temporary pin of attrs
+  "attrs==22.1",
+  "importlib-metadata<5",
+
+  # Pytest for running the tests.
+  "pytest>=7.0.1,<8",
+  "pytest-cov>=4,<5",
+  "pytest-django>=4.5.2,<5",
+
+  # Remove when dropping support for Django<5.0
+  "pytz",
+]
+docs = [
   # MkDocs to build our documentation.
   "mkdocs==1.6",
   # pylinkvalidator to check for broken links in documentation.
   "pylinkvalidator==0.3",
 ]
-optional-dependencies.optional = [
+optional = [
   # Optional packages which may be used with REST framework.
   "coreapi==2.3.1",
   "coreschema==0.0.4",
@@ -53,29 +73,6 @@ optional-dependencies.optional = [
   "pygments~=2.17.0",
   "pyyaml>=5.3.1,<5.4",
 ]
-optional-dependencies.packaging = [
-  # Transifex client for managing translation resources.
-  "transifex-client",
-  # Twine for secured PyPI uploads.
-  "twine>=3.4.2,<4.0.2",
-
-  # Wheel for PyPI installs.
-  "wheel>=0.36.2,<0.40",
-
-]
-optional-dependencies.testing = [
-  # temporary pin of attrs
-  "attrs==22.1",
-  "importlib-metadata<5",
-
-  # Pytest for running the tests.
-  "pytest>=7.0.1,<8",
-  "pytest-cov>=4,<5",
-  "pytest-django>=4.5.2,<5",
-
-  # Remove when dropping support for Django<5.0
-  "pytz",
-]
 urls.Changelog = "https://www.django-rest-framework.org/community/release-notes/"
 urls.Funding = "https://fund.django-rest-framework.org/topics/funding/"
 urls.Homepage = "https://www.django-rest-framework.org"