fix fly version

Author: kentcdodds

.github/workflows/validate.yml

@@ -46,7 +46,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: 🎈 Setup Fly
-        uses: superfly/flyctl-actions/setup-flyctl@v1.5
+        uses: superfly/flyctl-actions/setup-flyctl@1.5
 
       - name: 🚀 Deploy
         run: flyctl deploy --remote-only