Add test matrix for V3

.github/workflows/test-v3.yml

@@ -29,4 +29,8 @@ jobs:
         hatch env create
     - name: Run Tests
       run: |
-        hatch run test:run
+        hatch run test:run
+    - name: Run mypy
+      continue-on-error: true
+      run: |
+        hatch run test:run-mypy

pyproject.toml

@@ -53,6 +53,16 @@ docs = [
     'numpydoc',
     'numcodecs[msgpack]',
 ]
+extra = [
+    'attrs',
+    'cattrs',
+    'msgpack',
+    'crc32c',
+    'zstandard'
+]
+optional = [
+    'lmdb',
+]
 
 [project.urls]
 "Bug Tracker" = "https://github.com/zarr-developers/zarr-python/issues"
@@ -79,22 +89,29 @@ build.hooks.vcs.version-file = "src/zarr/_version.py"
 
 [tool.hatch.envs.test]
 extra-dependencies = [
-    "attrs",
-    "cattrs",
     "coverage",
     "pytest",
     "pytest-cov",
-    "msgpack",
-    "lmdb",
-    "zstandard",
-    "crc32c",
-    "pytest-asyncio"
+    "pytest-asyncio",
+    "mypy",
 ]
+features = ["extra"]
+
+[[tool.hatch.envs.test.matrix]]
+python = ["3.10", "3.11"]
+numpy = ["1.24", "1.26"]
+version = ["minimal"]
+
+[[tool.hatch.envs.test.matrix]]
+python = ["3.10", "3.11"]
+numpy = ["1.24", "1.26"]
+features = ["optional"]
 
 [tool.hatch.envs.test.scripts]
 run-coverage = "pytest --cov-config=pyproject.toml --cov=pkg --cov=tests"
 run = "run-coverage --no-cov"
 run-verbose = "run-coverage --verbose"
+run-mypy = "mypy src"
 
 [tool.hatch.envs.docs]
 features = ['docs']