Update fpm version in CI

Author: zoziha

.github/workflows/fpm.yml

@@ -45,7 +45,7 @@ jobs:
     - name: Install fpm
       uses: fortran-lang/setup-fpm@v3
       with:
-        github-token: ${{ secrets.GITHUB_TOKEN }}
+        fpm-version: 'v0.5.0'
 
     - name: Build fftpack
       run: |