bug: docstring indentation is wrong

[kilyinov]

Version

1.16.7

Describe the bug

The generated docstring is not indented properly. See video enclosed

https://github.com/sourcegraph/cody/assets/866682/8c77677d-4455-4477-b7c6-c33e4aef13be

Expected behavior

The generated docstring should be indented according to python standards

Additional context

No response