Update generating-a-json-web-token-jwt-for-a-github-app.md (#36105)

Co-authored-by: Ben Ahmady <[email protected]>
Co-authored-by: Josh Soref <[email protected]>

Author: 3 people

content/apps/creating-github-apps/authenticating-with-a-github-app/generating-a-json-web-token-jwt-for-a-github-app.md

@@ -77,7 +77,7 @@ puts jwt
 ### Example: Using Python to generate a JWT
 
 > [!NOTE]
-> You must run `pip install PyJWT` to install the `PyJWT` package in order to use this script.
+> You must run `pip install PyJWT cryptography` to install the `PyJWT` and the `cryptography` packages in order to use this script.
 
 ```python copy
 #!/usr/bin/env python3