CI: fortran-lang/setup-fpm@v4

Author: jacobwilliams

.github/workflows/CI.yml

@@ -29,7 +29,7 @@ jobs:
       uses: ts-graphviz/setup-graphviz@v1
 
     - name: Setup Fortran Package Manager
-      uses: fortran-lang/setup-fpm@v3
+      uses: fortran-lang/setup-fpm@v4
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}