Use released version of Zarr Python 3

Author: tomwhite

.github/workflows/ci.yml

@@ -138,7 +138,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        zarr: ["zarr==2.18.3", "git+https://github.com/zarr-developers/zarr-python.git"]
+        zarr: ["==2.18.3", ">=3"]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
@@ -148,9 +148,9 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           python -m pip install '.[dev]'
-      - name: Install ${{ matrix.zarr }}
+      - name: Install zarr${{ matrix.zarr }}
         run: |
-          python -m pip install --pre '${{ matrix.zarr }}'
+          python -m pip install 'zarr${{ matrix.zarr }}'
       - name: Run tests
         run: |
           python -m pytest