Merge pull request #78 from certik/upd10

Update LFortran to 0.61.0

Author: certik

.github/workflows/CI.yml

@@ -12,7 +12,7 @@ on:
 
 
 env:
-  LFORTRAN_VERSION: 0.60.0
+  LFORTRAN_VERSION: 0.61.0
   MACOSX_DEPLOYMENT_TARGET: 15.0
 
 jobs:
@@ -302,6 +302,7 @@ jobs:
             cd ..
 
       - name: Test FPM
+        if: ${{ startsWith(matrix.os, 'ubuntu') }}
         shell: bash -e -l {0}
         run: |
             git clone https://github.com/fortran-lang/fpm.git