JasperReports 6.20.3

• added support for multiple marker series in the Google map component, with ability to show/hide
  each series through an interactive legend and ability to bring the map to its initial visual state
  using a custom reset button;

• introducing expression backed custom properties at report part level to allow attaching metadata to
  parts in multi-part documents, to be leveraged during report output post-processing by the parent application;

• allowing the creation of multi-part documents from single part (section based) report templates
  using a special custom property at report element level that triggers the creation of a separate part
  for the current page when the property is met;

• various dependencies upgrades including: Spring 5.3.26 and TestNG 7.7.0;

• minor bug fixes and improvements;