use version 0.9.0 of ssh-agent

Author: Moros1138

.github/workflows/emscripten-build.yml

@@ -38,10 +38,10 @@ jobs:
         shell: bash
 
       - name: Set up SSH agent
-        uses: webfactory/ssh-agent@v0.10.1
+        uses: webfactory/ssh-agent@v0.9.0
         with:
           ssh-private-key: ${{ secrets.REMOTE_SERVER_SSH_KEY }}
-          
+
       - name: Upload files to server
         run: |
           ssh-keyscan -H ${{ secrets.REMOTE_SERVER_ADDR }} >> ~/.ssh/known_hosts