add openblas scipy on pypy

Author: Alexboiboi

.github/workflows/ci.yml

@@ -57,6 +57,10 @@ jobs:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
 
+      - name: Install OpenBLAS
+        if: runner.os == 'Linux'
+        run: sudo apt-get update && sudo apt-get install -y libopenblas-dev
+
       - name: Install package
         run: python -m pip install .[test]