v0.25 - End of Py3.8 and new validate method

[0.25.0] - 2023-10-24

Added

• The Scorer class now has the ability to score datapoints in parallel.
  This can be enabled by setting the n_jobs parameter of the Scorer class to something larger than 1.
  (#95)
• The PyTestSnapshotTest class does now support comparing dataframes with datetime columns.
  (#97)
• The validate function was introduced to enable validation of an algorithm on arbitrary data without parameter
  optimization.
  (#99)
• Fixed the bug that the functions optimize and cross_validate were crashing when progress_bar was deactivated.
• New example about caching.
  (#98)

Changed

• In line with numpy and some other packages, we drop Python 3.8 support