message: Update getKeys README.md instruction to use pnpm
  Update getKeys README.md instruction to use pnpm
diff: @@ -10,7 +10,7 @@ prague-secrets or WAC Bohemia security group.
  1. Install the [Azure CLI](https://docs.microsoft.com/en-us/cli/azure/install-azure-cli), run `az login` and authenticate
  with your Microsoft corporate account.
  -2. In this folder, run `npm install`, then `npm start`.
  +2. In this folder, run `pnpm install`, then `npm start`.
  You should restart the console/shell after running the script (or for bash/zsh run `source ~/.bashrc` or `source ~/.zshrc`)
  for the exported environment variables to become available.
  