chore(deps): bump pyexcel-io from 0.6.3 to 0.6.4
chore(deps): bump pyexcel-io from 0.6.3 to 0.6.4

Bumps [pyexcel-io](https://github.com/pyexcel/pyexcel-io) from 0.6.3 to 0.6.4.
- [Release notes](https://github.com/pyexcel/pyexcel-io/releases)
- [Changelog](https://github.com/pyexcel/pyexcel-io/blob/dev/CHANGELOG.rst)
- [Commits](https://github.com/pyexcel/pyexcel-io/compare/v0.6.3...v0.6.4)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
adfinis-sygroup/timed-backend,adfinis-sygroup/timed-backend,adfinis-sygroup/timed-backend