Adding openblas to CI environment

Author: G-Ragghianti

.github/workflows/make.yml

@@ -34,6 +34,9 @@ jobs:
     - name: Setup MPI
       uses: mpi4py/setup-mpi@v1
 
+    - name: Install OpenBLAS
+      run: apt-get -y install libopenblas0
+
     - name: Build ScaLAPACK
       run: |
         cp SLmake.inc.example SLmake.inc