chore(deps): bump @slack/web-api from 7.15.1 to 7.15.2

Bumps [@slack/web-api](https://github.com/slackapi/node-slack-sdk) from 7.15.1 to 7.15.2.
- [Release notes](https://github.com/slackapi/node-slack-sdk/releases)
- [Commits](https://github.com/slackapi/node-slack-sdk/compare/@slack/web-api@7.15.1...@slack/web-api@7.15.2)

---
updated-dependencies:
- dependency-name: "@slack/web-api"
  dependency-version: 7.15.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -51,7 +51,7 @@
     "@slack/oauth": "^3.0.5",
     "@slack/socket-mode": "^2.0.7",
     "@slack/types": "^2.20.1",
-    "@slack/web-api": "^7.15.1",
+    "@slack/web-api": "^7.15.2",
     "axios": "^1.12.0",
     "express": "^5.0.0",
     "path-to-regexp": "^8.1.0",