Bumps [excon](https://github.com/excon/excon) from 0.45.2 to 0.71.0.
- [Release notes](https://github.com/excon/excon/releases)
- [Changelog](https://github.com/excon/excon/blob/master/changelog.txt)
- [Commits](excon/excon@v0.45.2...v0.71.0)

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