chore(deps): update @slack/web-api requirement from ^7.15.0 to ^7.15.1 (#2871)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Michael Brooks <mbrooks@slack-corp.com>

Author: dependabot[bot]

package.json

@@ -50,7 +50,7 @@
     "@slack/oauth": "^3.0.5",
     "@slack/socket-mode": "^2.0.6",
     "@slack/types": "^2.20.1",
-    "@slack/web-api": "^7.15.0",
+    "@slack/web-api": "^7.15.1",
     "axios": "^1.12.0",
     "express": "^5.0.0",
     "path-to-regexp": "^8.1.0",