Bump requests and Twisted dependencies
Bump requests and Twisted dependencies

Twisted to address CVE-2020-10108 and CVE-2020-10109
requests to avoid the `idna<2.9` dependency that collides with Twisted's

Signed-off-by: Alfredo Deza <3f4d00ffa77e6441ab2d23c25a618925d2383b02@anchore.com>

anchore/anchore-engine,anchore/anchore-engine,anchore/anchore-engine