Bump @slack/web-api from 6.9.0 to 6.11.1

Bumps [@slack/web-api](https://github.com/slackapi/node-slack-sdk) from 6.9.0 to 6.11.1.
- [Release notes](https://github.com/slackapi/node-slack-sdk/releases)
- [Commits](https://github.com/slackapi/node-slack-sdk/compare/@slack/[email protected]...@slack/[email protected])

---
updated-dependencies:
- dependency-name: "@slack/web-api"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -4,7 +4,7 @@
     "@actions/exec": "^1.1.1",
     "@actions/tool-cache": "^2.0.1",
     "@actions/artifact": "^1.1.2",
-    "@slack/web-api": "^6.9.0"
+    "@slack/web-api": "^6.11.1"
   },
   "devDependencies": {
     "@vercel/ncc": "^0.38.1",