build(deps): bump slack-sdk from 3.41.0 to 3.42.0 in /tools/base

Bumps [slack-sdk](https://github.com/slackapi/python-slack-sdk) from 3.41.0 to 3.42.0.
- [Release notes](https://github.com/slackapi/python-slack-sdk/releases)
- [Commits](slackapi/python-slack-sdk@v3.41.0...v3.42.0)

---
updated-dependencies:
- dependency-name: slack-sdk
  dependency-version: 3.42.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

tools/base/requirements.txt

@@ -1338,9 +1338,9 @@ six==1.16.0 \
     --hash=sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926 \
     --hash=sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254
     # via python-dateutil
-slack-sdk==3.41.0 \
-    --hash=sha256:bb18dcdfff1413ec448e759cf807ec3324090993d8ab9111c74081623b692a89 \
-    --hash=sha256:eb61eb12a65bebeca9cb5d36b3f799e836ed2be21b456d15df2627cfe34076ca
+slack-sdk==3.42.0 \
+    --hash=sha256:873db9e1f632ac650ffdbf9d8ba825f3e9e7e576a1e4f9604ccb2a15b3727e3d \
+    --hash=sha256:eb39aff97e476e10cc5a8ac29bd2e79a9959e880d9fe0c03b4e8f05b2ac996ff
     # via -r requirements.in
 smmap==5.0.1 \
     --hash=sha256:dceeb6c0028fdb6734471eb07c0cd2aae706ccaecab45965ee83f11c8d3b1f62 \