Release v1.6.0

What's new:

• switched remote instances from binderhub to jupyterhub
• fix invalid label when the default openid unique identifier from aaf has symbols
• added new CVMFS CDN servers
• added jupyter_scheduler and ipycanvas
• updated guacamole version to 1.5.5 and tomcat to 9.0.87
• added rise extension for presentations
• fixed brkraw by @stebo85
• updated mrtrix3 by @stebo85 in
• updated bidscoin to 4.3.2 by @stebo85
• updated fmriprep by @stebo85
• added julia 1.9.4 by @stebo85
• updated dsi_studio by @stebo85
• added glmsingle by @stebo85
• ants 2.5.1 20240429 by @stebo85
• QSMxT: v6.4.4 by @astewartau