fix: compiler

Author: henilp105

.github/workflows/build.yml

@@ -29,12 +29,12 @@ jobs:
         with:
           python-version: "3.10"
 
-      - name: Install GFortran (Linux)
-        run: |
-          sudo update-alternatives \
-            --install /usr/bin/gcc gcc /usr/bin/gcc-${{ matrix.gcc }} 100 \
-            --slave /usr/bin/gfortran gfortran /usr/bin/gfortran-${{ matrix.gcc }} \
-            --slave /usr/bin/gcov gcov /usr/bin/gcov-${{ matrix.gcc }}
+      - name: Setup Fortran compiler
+        uses: fortran-lang/[email protected]
+        id: setup-fortran
+        with:
+          compiler: gcc
+          version: 10
 
       - name: Install sphinx
         run: pip3 install --user -r requirements.txt