try to fix version

Author: mattmassicotte

.github/workflows/ci.yml

@@ -41,7 +41,7 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - uses: vapor/swiftly-action@v0.2
+      - uses: vapor/swiftly-action@v0.2.0
         with:
           toolchain: "6.1"
       - name: Test