message: Update pagerduty token environment variable
  As is the docs have "Token token=" in both the config and the environment variable, which will lead to requests looking like "Token token=Token token=<token>"
  This removes the "Token token=" from the environment variable and requests will work.
diff: @@ -74,7 +74,7 @@ proxy:
  Then start the backend passing the token as an environment variable:
  ```bash
  -$ PAGERDUTY_TOKEN='Token token=<TOKEN>' yarn start
  +$ PAGERDUTY_TOKEN='<TOKEN>' yarn start
  ```
  This will proxy the request by adding `Authorization` header with the provided token.
  