Bump discord.js from 14.14.1 to 14.15.2

Bumps [discord.js](https://github.com/discordjs/discord.js/tree/HEAD/packages/discord.js) from 14.14.1 to 14.15.2.
- [Release notes](https://github.com/discordjs/discord.js/releases)
- [Changelog](https://github.com/discordjs/discord.js/blob/main/packages/discord.js/CHANGELOG.md)
- [Commits](https://github.com/discordjs/discord.js/commits/14.15.2/packages/discord.js)

---
updated-dependencies:
- dependency-name: discord.js
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/dependabot_auto-merge.yml

@@ -1,23 +0,0 @@
-name: Dependabot Auto-Merge
-on:
-  pull_request_target:
-    branches:
-      - v1
-      - v2
-      - v3
-
-permissions:
-  pull-requests: write
-  contents: write
-
-jobs:
-  dependabot:
-    name: Dependabot Auto-Merge
-    runs-on: ubuntu-latest
-    if: ${{ github.actor == 'dependabot[bot]' }}
-    steps:
-      - name: Enable auto-merge for Dependabot PRs
-        run: gh pr merge --auto --merge "$PR_URL"
-        env:
-          PR_URL: ${{ github.event.pull_request.html_url }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}