test FPM setup by means of GH Action

.github/workflows/install.yml

@@ -17,10 +17,23 @@ jobs:
         ./install.sh --download wget --build cmake
         rm -rf *
 
-    - name: FPM
+    - name: Checkout
       run: |
         git clone https://github.com/$GITHUB_REPOSITORY ./
+
+    - name: Setup FPM with GH Action
+      if: ${{ !env.ACT }}
+      uses: fortran-lang/setup-fpm@v4
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Setup FPM without GH Action
+      if: ${{ env.ACT }}
+      run: |
         wget $(curl -s https://api.github.com/repos/fortran-lang/fpm/releases/latest | grep 'browser_' | cut -d\" -f4 | grep -i linux | grep -vi sha256) -O fpm
         chmod +x fpm
-        ./fpm build --profile release
-    
+
+    - name: FPM
+      run: |
+        export PATH=".:$PATH"
+        fpm build --profile release