Bump API demo version
Bump API demo version

The API demo server was updated to support tokens in 3140639 however the
container image was never pushed to Docker hub. As a result, the HTTP
API tutorial was broken.

tsandall/contrib,tsandall/contrib,tsandall/contrib,tsandall/contrib,open-policy-agent/contrib,open-policy-agent/contrib,open-policy-agent/contrib,tsandall/contrib,open-policy-agent/contrib,open-policy-agent/contrib,open-policy-agent/contrib,tsandall/contrib,open-policy-agent/contrib,tsandall/contrib,open-policy-agent/contrib