switch deploy workflows from appleboy/ssh-action to raw ssh

appleboy/ssh-action's script parameter doesn't set
SSH_ORIGINAL_COMMAND, which deploy.sh needs. Using raw ssh
with the command as an argument works correctly.

.gitea/workflows/deploy-timothykim.yml

@@ -11,9 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Deploy via SSH
-        uses: appleboy/ssh-action@v1
-        with:
-          host: ${{ secrets.DEPLOY_HOST }}
-          username: deploy
-          key: ${{ secrets.DEPLOY_KEY }}
-          script: deploy-timothykim
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.DEPLOY_KEY }}" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh -o StrictHostKeyChecking=accept-new -i ~/.ssh/deploy_key deploy@${{ secrets.DEPLOY_HOST }} deploy-timothykim