* relaxed marshmallow requirement to see if conflicts arise
Signed-off-by: Allison Suarez Miranda <asuarezmiranda@lyft.com>

* relaxed marshmallow-annotations as well
Signed-off-by: Allison Suarez Miranda <asuarezmiranda@lyft.com>

* added requirements upper bound
Signed-off-by: Allison Suarez Miranda <asuarezmiranda@lyft.com>