v2.1.0rc2

Added

• Show differences when local and remote parameters do not match by @bleykauf in #400
• Show voltage on the x-axis when sweeping by @bleykauf in #404

Changed

• Switched to Tableau color scheme and make colors consistent, i.e. signals have the same color while sweeping and when locked. By @bleykauf in #419.
• Increase upper version constraint for importlib-metadata by @doronbehar in #416

Fixed

• Fixed example code in the readme by @bleykauf in #420, thanks to @Andrew-wi for reporting this issue
• Fixed a bug preventing the selection of a PSD algorithm via the GUI by @bleykauf in #421, thanks to @martinssonh for reporting this issue