Not yet it only came out a week ago.
You’re error is failing to find 32bit packages (i386) not 64bit (amd64). We are not planning to support i386 on focal.
Noetic targets: https://www.ros.org/reps/rep-0003.html#noetic-ninjemys-may-2020-may-2025
And proposed for Foxy: https://github.com/ros-infrastructure/rep/pull/217/files
If you’d like to play with prereleased content there is the testing repository with some of the unreleased content:
For ROS 2 replace
ros2-testing in your above url.
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