build(deps): bump @slack/bolt from 4.3.0 to 4.4.0 (#147)

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

Author: dependabot[bot]

package-lock.json

@@ -26,7 +26,7 @@
     "url": "https://github.com/slack-samples/bolt-ts-starter-template/issues"
   },
   "dependencies": {
-    "@slack/bolt": "^4.3.0",
+    "@slack/bolt": "^4.4.0",
     "dotenv": "~16.5.0"
   },
   "devDependencies": {