chore(deps): bump reqwest from 0.11.27 to 0.12.28 in /bots/echidnabot (#54)

Bumps [reqwest](https://github.com/seanmonstar/reqwest) from 0.11.27 to 0.12.28.
- [Release notes](https://github.com/seanmonstar/reqwest/releases)
- [Changelog](https://github.com/seanmonstar/reqwest/blob/master/CHANGELOG.md)
- [Commits](seanmonstar/reqwest@v0.11.27...v0.12.28)

---
updated-dependencies:
- dependency-name: reqwest
  dependency-version: 0.12.28
  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]