Move dev dependencies under "[dependency-groups]" in pyproject.toml (#522)

* Move dev dependencies under "[dependency-groups]" in pyproject.toml

* Update dependency-group names and remove redundant dependencies

Author: jonathan343

codegen/core/src/main/java/software/amazon/smithy/python/codegen/generators/SetupGenerator.java

@@ -153,11 +153,11 @@ private static void writePyproject(
                             .map(Map::values);
 
             if (testDeps.isPresent() || docsDeps.isPresent()) {
-                writer.write("[project.optional-dependencies]");
+                writer.write("[dependency-groups]");
             }
 
             testDeps.ifPresent(deps -> {
-                writer.openBlock("tests = [", "]\n", () -> writeDependencyList(writer, deps));
+                writer.openBlock("test = [", "]\n", () -> writeDependencyList(writer, deps));
             });
 
             docsDeps.ifPresent(deps -> {

packages/aws-sdk-signers/pyproject.toml

@@ -34,14 +34,6 @@ exclude = [
  "tests",
 ]
 
-[project.optional-dependencies]
-test = [
-    "freezegun",
-    "pytest",
-    "pytest-asyncio",
-    "mypy",
-    "ruff",
-]
 
 [tool.pytest.ini_options]
 asyncio_mode = "auto"

packages/smithy-core/pyproject.toml

@@ -7,9 +7,8 @@ requires-python = ">=3.12"
 dependencies = []
 
 [dependency-groups]
-dev = [
-    "freezegun>=1.5.1",
-    "typing_extensions>=4.13.0"
+typing = [
+    "typing_extensions>=4.13.0",
 ]
 
 [build-system]

pyproject.toml

@@ -7,19 +7,25 @@ requires-python = ">=3.12"
 dependencies = []
 
 [dependency-groups]
-dev = [
-    "black>=25.1.0",
-    "docformatter>=1.7.5",
-    "pyright>=1.1.400",
+test = [
     "pytest>=8.3.4",
     "pytest-asyncio>=0.25.3",
     "pytest-cov>=6.0.0",
+    "freezegun>=1.5.1",
+]
+lint = [
+    "black>=25.1.0",
     "ruff>=0.9.7",
+    "docformatter>=1.7.5",
+]
+typing = [
+    "pyright>=1.1.400",
 ]
 
 [tool.uv]
 required-version = ">=0.7.2"
 package = false
+default-groups = ["test", "lint", "typing"]
 
 [tool.uv.workspace]
 members = ["packages/*"]