Update capability.py

[dataders]

resolves #8841

Problem

Solution

Checklist

• I have read the contributing guide and understand what's expected of me
• I have run this code in development and it appears to resolve the stated issue
• This PR includes tests, or tests are not required/relevant for this PR
• This PR has no interface changes (e.g. macros, cli, logs, json artifacts, config files, adapter interface, etc) or this PR has already received feedback and approval from Product or DX
• This PR includes type annotations for new and modified functions

[github-actions]

Thank you for your pull request! We could not find a changelog entry for this change. For details on how to document a change, see the contributing guide.

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (1baebb4) 86.30% compared to head (26a0ec6) 86.30%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8842   +/-   ##
=======================================
  Coverage   86.30%   86.30%           
=======================================
  Files         177      177           
  Lines       26383    26383           
=======================================
  Hits        22771    22771           
  Misses       3612     3612           

Flag	Coverage Δ
integration	83.09% <ø> (ø)
unit	64.59% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
core/dbt/adapters/capability.py	100.00% <ø> (ø)

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[jtcohen6]

@dataders LGTM, it's just a docstring update, and @peterallenwebb has already approved, so I'm going to press the "merge" button