build(deps): bump slack-sdk from 3.41.0 to 3.42.0 in /block-kit (#60)

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Author: dependabot[bot]

block-kit/requirements.txt

@@ -1,4 +1,4 @@
 mypy==2.1.0
 pytest==9.0.3
 ruff==0.15.13
-slack_sdk==3.41.0
+slack_sdk==3.42.0