docs: update devops steps (#39342)

docs/flight-manuals/working-on-virtual-machines.md

@@ -297,23 +297,26 @@ Provisioning VMs with the Code
    ```console
    git clone https://github.com/freeCodeCamp/freeCodeCamp.git
    cd freeCodeCamp
+   git checkout production-current # or any other branch to be deployed
    ```
 
 4. Create the `.env` from the secure credentials storage.
 
-5. Install dependencies
+5. Create the `google-credentials.json` from the secure credentials storage.
+
+6. Install dependencies
 
    ```console
    npm ci
    ```
 
-6. Build the server
+7. Build the server
 
    ```console
    npm run ensure-env && npm run build:server
    ```
 
-7. Start Instances
+8. Start Instances
 
    ```console
    cd api-server