dev-conda-environment.yml: add orekitdata pip library

TODO after merge of orekit/orekit-data!4 : replace the URL by https://gitlab.orekit.org/orekit/orekit-data.git !!

.devcontainer/dev-conda-environment.yaml

@@ -24,8 +24,5 @@ dependencies:
 - flake8-builtins
 - flake8-use-pathlib
 - flake8-noqa
-
-# # In case you want to install packages from PyPI which aren't on Conda-Forge,
-# # uncomment this block and add them as follows:
-# - pip:
-#   - flake8-noqa  # Example
+- pip:
+    - "git+https://gitlab.orekit.org/yzokras/orekit-data.git"