Ignore Ruff warnings about docstrings

Ruff complains about strings with `:yield:` directives not ending
in a period. Added ignores for them in `pyproject.toml`.

Signed-off-by: Spaceship Operations <[email protected]>

Author: SpaceshipOperations

pyproject.toml

@@ -83,6 +83,8 @@ ignore = [
     "D203",  # `one-blank-line-before-class` (D203) and `no-blank-line-before-class` (D211) are incompatible
     "D212",  # `multi-line-summary-first-line` (D212) and `multi-line-summary-second-line` (D213) are incompatible
     "S104",  # Possible binding to all interface
+    "D400",  # first line in docstring should end in a period
+    "D415",  # first line in docstring should end in a period, question mark or exclamation point
 ]
 [tool.ruff.per-file-ignores]
 "tests/**/*.py" = [