chore: 更新工作流中的动作引用，移除不必要的前缀

.gitea/workflows/expo-build-apk.yaml

@@ -11,10 +11,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: https://ghfast.top/https://github.com/actions/checkout@v3
+        uses: https://github.com/actions/checkout@v3
 
       - name: Setup Node.js
-        uses: https://ghfast.top/https://github.com/actions/setup-node@v4
+        uses: https://github.com/actions/setup-node@v4
         with:
           node-version: '18'