Refresh SSH host key in deploy workflow

Author: Uriel Alonso

.github/workflows/deploy.yml

@@ -66,11 +66,12 @@ jobs:
           password: ${{ secrets.GHCR_TOKEN }}
 
       - name: Set up SSH key
-        run: |
-          mkdir -p ~/.ssh
-          echo "${{ secrets.LIGHTSAIL_SSH_KEY }}" > ~/.ssh/lightsail_key
-          chmod 600 ~/.ssh/lightsail_key
-          ssh-keyscan -H ${{ vars.LIGHTSAIL_HOST }} >> ~/.ssh/known_hosts
+  run: |
+    mkdir -p ~/.ssh
+    echo "${{ secrets.LIGHTSAIL_SSH_KEY }}" > ~/.ssh/lightsail_key
+    chmod 600 ~/.ssh/lightsail_key
+    ssh-keygen -R "${{ vars.LIGHTSAIL_HOST }}" || true
+    ssh-keyscan -H "${{ vars.LIGHTSAIL_HOST }}" >> ~/.ssh/known_hosts
 
       - name: Start ssh-agent
         run: |