⬆️ Bump dotenv from 16.0.3 to 17.2.3 in /bot-slack

Bumps [dotenv](https://github.com/motdotla/dotenv) from 16.0.3 to 17.2.3.
- [Changelog](https://github.com/motdotla/dotenv/blob/master/CHANGELOG.md)
- [Commits](motdotla/dotenv@v16.0.3...v17.2.3)

---
updated-dependencies:
- dependency-name: dotenv
  dependency-version: 17.2.3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

bot-slack/package-lock.json

@@ -16,7 +16,7 @@
         "@slack/bolt": "^3.12.2",
         "body-parser": "^1.19.1",
         "coverage": "0.4.1",
-        "dotenv": "^16.0.3",
+        "dotenv": "^17.2.3",
         "express": "^4.18.2",
         "lib": "^4.3.3",
         "node-cron": "^3.0.0",