build(deps): bump ruff from 0.15.8 to 0.15.9 in /block-kit (#48)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

block-kit/requirements.txt

@@ -1,4 +1,4 @@
 mypy==1.20.0
 pytest==9.0.2
-ruff==0.15.8
+ruff==0.15.9
 slack_sdk==3.41.0