ci: set fvm to 4.0.3

Author: ethicnology

.github/workflows/analyze_and_test.yml

@@ -15,7 +15,7 @@ jobs:
 
       - name: Install FVM
         run: |
-          curl -fsSL https://fvm.app/install.sh | bash
+          curl -fsSL https://fvm.app/install.sh | bash -s -- 4.0.3
           echo "$HOME/.pub-cache/bin" >> $GITHUB_PATH
 
       - run: make fvm-check