Updating variable names

Author: pfwd

.github/workflows/main.yml

@@ -37,10 +37,9 @@ jobs:
       - name: Deploy using ssh
         uses: appleboy/ssh-action@master
         with:
-          host: ${{ secrets.HOST }}
-          username: ${{ secrets.USERNAME }}
-          key: ${{ secrets.PRIVATE_KEY }}
-          port: 22
+          host: ${{ secrets.SSH_HOST }}
+          username: ${{ secrets.SSH_USERNAME }}
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
           script: |
             cd ${{ secrets.APP_PATH }}
             ./build.sh