⬆️ Bump nonebot-adapter-onebot from 2.4.5 to 2.4.6 (#494)

Bumps [nonebot-adapter-onebot](https://github.com/nonebot/adapter-onebot) from 2.4.5 to 2.4.6.
- [Release notes](https://github.com/nonebot/adapter-onebot/releases)
- [Commits](nonebot/adapter-onebot@v2.4.5...v2.4.6)

---
updated-dependencies:
- dependency-name: nonebot-adapter-onebot
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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