build-qemu-robot-docker.sh: back level robot requests

The latest robotframework-requests library is not compatible with the
openbmc-test-automation software. The team is working on updating
to handle this but for now peg us at the version that works with our
test software.

Change-Id: I708f6c6ed3dbeef560c51ed7dd4c12f36851c256
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
1 file changed