Update package requirements for docker (#3285)

* Include cargo / rustc in the docker image

- Otherwise cryptography library seems to fail

* Revert cryptography lib to older version

- New version requires rust, adds ~300MB to the image size!

Dockerfile

@@ -22,7 +22,7 @@ ENV PYTHONUNBUFFERED 1
 # Ref: https://github.com/pyca/cryptography/issues/5776
 ENV CRYPTOGRAPHY_DONT_BUILD_RUST 1
 
-ENV INVENTREE_LOG_LEVEL="INFO"
+ENV INVENTREE_LOG_LEVEL="WARNING"
 ENV INVENTREE_DOCKER="true"
 
 # InvenTree paths