Add version in dagster-openai (#20304)

## Summary & Motivation

This PR adds version.py in dagster-openai, whitelisting the integration
for the release and publication to PyPi.

## How I Tested These Changes

BK

python_modules/libraries/dagster-openai/dagster_openai/__init__.py

@@ -4,7 +4,6 @@
     OpenAIResource as OpenAIResource,
     with_usage_metadata as with_usage_metadata,
 )
+from .version import __version__
 
-# TODO: replace version by `__version__` when we add back a version.py file and publish library to pypi.
-#  Import with `from .version import __version__`
-DagsterLibraryRegistry.register("dagster-openai", "1!0+dev")
+DagsterLibraryRegistry.register("dagster-openai", __version__)

python_modules/libraries/dagster-openai/dagster_openai/version.py

@@ -0,0 +1 @@
+__version__ = "1!0+dev"

python_modules/libraries/dagster-openai/setup.py

@@ -11,8 +11,7 @@ def get_version():
     return version["__version__"]
 
 
-# TODO: replace by `ver = get_version()` when we add back a version.py file and publish library to pypi.
-ver = "1!0+dev"
+ver = get_version()
 # dont pin dev installs to avoid pip dep resolver issues
 pin = "" if ver == "1!0+dev" else f"=={ver}"
 setup(