release: 1.81.0 (openai#2368)

* feat(api): add container endpoint

* release: 1.81.0

---------

Co-authored-by: stainless-app[bot] <142633134+stainless-app[bot]@users.noreply.github.com>

release: 1.80.0 (openai#2367)

* codegen metadata

* chore(docs): grammar improvements

* feat(api): new API tools

* release: 1.80.0

---------

Co-authored-by: stainless-app[bot] <142633134+stainless-app[bot]@users.noreply.github.com>

release: 1.79.0

release: 1.78.1

release: 1.78.0

release: 1.77.0

release: 1.76.2

release: 1.76.1

release: 1.76.0

release: 1.75.0