build(deps): bump @slack/bolt from 4.5.0 to 4.6.0 (#169)

Bumps [@slack/bolt](https://github.com/slackapi/bolt-js) from 4.5.0 to 4.6.0.
- [Release notes](https://github.com/slackapi/bolt-js/releases)
- [Commits](https://github.com/slackapi/bolt-js/compare/@slack/bolt@4.5.0...@slack/bolt@4.6.0)

---
updated-dependencies:
- dependency-name: "@slack/bolt"
  dependency-version: 4.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -27,7 +27,7 @@
     "url": "https://github.com/slack-samples/bolt-ts-starter-template/issues"
   },
   "dependencies": {
-    "@slack/bolt": "^4.5.0",
+    "@slack/bolt": "^4.6.0",
     "dotenv": "~17.2.3"
   },
   "devDependencies": {