Add python requests to CI

There are some scripts in bmcweb that we'd like to be able to run during
CI.  They rely on requests to compare the standards driven files against
what exists in the codebase to make sure that people haven't edited by
hand.

To do this, add the requests dependency.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: Idbb06d6ba992244c652094040849787bb1487805
1 file changed