Update test-fortran-macos.yml

Author: galabovaa

.github/workflows/test-fortran-macos.yml

@@ -24,7 +24,8 @@ jobs:
           # https://github.com/actions/virtual-environments/issues/2524
           # https://github.com/cbg-ethz/dce/blob/master/.github/workflows/pkgdown.yaml
           gfortran-11 --version
-          gcc-11 --version
+          gcc-11 --version 
+          whereis gcc-11
           gcc --version
           ls  /usr/local/Cellar/gcc@11/*/lib/gcc/11
           sudo ln -s /usr/local/bin/gfortran-11 /usr/local/bin/gfortran