[CI] Update image to 3.11.1
This MR updates SATIE's CI image to metalabsat/supercollider:3.11.1
which in addition to increasing the SuperCollider version, also is based on Ubuntu 20.04.
This MR updates SATIE's CI image to metalabsat/supercollider:3.11.1
which in addition to increasing the SuperCollider version, also is based on Ubuntu 20.04.