CI: install blosc2 on macos

Author: astraw

.github/workflows/test.yml

@@ -33,14 +33,16 @@ jobs:
     - name: Install hdf5, blosc, blosc2, lzo, bz c libs (Ubuntu)
       if: matrix.os == 'ubuntu-latest'
       run: sudo apt-get install -y libhdf5-dev libblosc-dev libblosc2-dev liblzo2-dev libbz2-dev
-    - name: Install libhdf5 (macOS)
+    - name: Install hdf5, blosc, blosc2 c libs (macOS)
       # See https://stackoverflow.com/questions/73029883
       if: runner.os == 'macOS'
       run: |
         brew install hdf5
         brew install c-blosc
+        brew install c-blosc2
         export HDF5_DIR=/opt/homebrew/opt/hdf5
         export BLOSC_DIR=/opt/homebrew/opt/c-blosc
+        export BLOSC2_DIR=/opt/homebrew/opt/c-blosc2
         export LZO_DIR=/opt/homebrew/opt/lzo
     - name: Upgrade pip
       run: python -m pip install --upgrade pip