Bump commons-beanutils from 1.9.3 to 1.9.4 in /h2o-common
Bump commons-beanutils from 1.9.3 to 1.9.4 in /h2o-common

Bumps commons-beanutils from 1.9.3 to 1.9.4.

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
sixshot626/h2o,sixshot626/h2o,sixshot626/h2o