Apply suggestions from code review

Author: jvdp1

.github/workflows/fpm-deployment.yml

@@ -32,7 +32,7 @@ jobs:
           version: ${{ matrix.toolchain.version }}
 
       - name: Setup Fortran Package Manager
-        uses: fortran-lang/setup-fpm@v7
+        uses: fortran-lang/setup-fpm@v8
         with:
           fpm-version: 'v0.12.0'
 
@@ -86,7 +86,7 @@ jobs:
           version: ${{ matrix.toolchain.version }}
 
       - name: Setup Fortran Package Manager
-        uses: fortran-lang/setup-fpm@v5
+        uses: fortran-lang/setup-fpm@v8
         with:
           fpm-version: 'v0.12.0'