cmd: Add `-b`/`--bundle` option for deps command
cmd: Add `-b`/`--bundle` option for deps command

This works similar to the one for build and eval where you can specify
multiple `-b` or `--bundle` options to be loaded as bundles. These
paths can be either a file or directory. They can be mixed with data
paths.

Signed-off-by: Patrick East <1a015b2c287ee8e96f2ec59ce4953b89b37de4a8@gmail.com>

open-policy-agent/opa,tsandall/opa,tsandall/opa,open-policy-agent/opa,tsandall/opa,tsandall/opa,open-policy-agent/opa,tsandall/opa,tsandall/opa,open-policy-agent/opa,open-policy-agent/opa,open-policy-agent/opa