build(deps): bump slack-sdk from 3.23.0 to 3.27.0 in /tools/base

Bumps [slack-sdk](https://github.com/slackapi/python-slack-sdk) from 3.23.0 to 3.27.0.
- [Release notes](https://github.com/slackapi/python-slack-sdk/releases)
- [Changelog](https://github.com/slackapi/python-slack-sdk/blob/main/docs-v2/changelog.html)
- [Commits](slackapi/python-slack-sdk@v3.23.0...v3.27.0)

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

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

tools/base/requirements.txt

@@ -685,7 +685,9 @@ google-apitools==0.5.32 \
 google-auth[aiohttp]==2.23.3 \
     --hash=sha256:6864247895eea5d13b9c57c9e03abb49cb94ce2dc7c58e91cba3248c7477c9e3 \
     --hash=sha256:a8f4608e65c244ead9e0538f181a96c6e11199ec114d41f1d7b1bffa96937bda
-    # via gsutil
+    # via
+    #   google-auth
+    #   gsutil
 google-reauth==0.1.1 \
     --hash=sha256:cb39074488d74c8853074dde47368bbf8f739d4a4338b89aab696c895b6d8368 \
     --hash=sha256:f9f6852a55c2c5453d581cd01f3d1278e86147c03d008409800390a834235892
@@ -1027,6 +1029,7 @@ pyjwt[crypto]==2.8.0 \
     # via
     #   gidgethub
     #   pygithub
+    #   pyjwt
 pylsqpack==0.3.17 \
     --hash=sha256:016cfc9dc2dea9c0b06b7aba64da89315b4c96c309c69f5ea548f4e994429781 \
     --hash=sha256:0b1ed55872f8f984f655a4c853ad749b834a1fcd4c7e5a962c6f17d4d27687a2 \
@@ -1209,9 +1212,9 @@ six==1.16.0 \
     #   pyu2f
     #   sphinxcontrib-httpdomain
     #   thrift
-slack-sdk==3.23.0 \
-    --hash=sha256:2a8513505cced20ceee22b5b49c11d9545caa6234b56bf0ad47133ea5b357d10 \
-    --hash=sha256:9d6ebc4ff74e7983e1b27dbdb0f2bb6fc3c2a2451694686eaa2be23bbb085a73
+slack-sdk==3.27.0 \
+    --hash=sha256:811472ce598db855ab3c02f098fa430323ccb253cfe17ba20c7b05ab206d984d \
+    --hash=sha256:a901c68cb5547d5459cdefd81343d116db56d65f6b33f4081ddf1cdd243bf07e
     # via -r requirements.in
 smmap==5.0.1 \
     --hash=sha256:dceeb6c0028fdb6734471eb07c0cd2aae706ccaecab45965ee83f11c8d3b1f62 \