Enhancements

• Provided allow_empty option to readers.gdal #3984

Bug Fixes

• filters.trajectory windows compilation fixes #3976
• Fix streaming support on readers.tindex #3992
• Fix streaming support on readers.stac #3989
• Update simple.laz test file from LAZ 1.0 to LAZ 1.3 #3978
• Do not encode -std=c++11 into pdal-config #3983
• Draco 1.5.6 is functionally required due to CMake CONFIG #3982

Changelog since 2.5.1: 2.5.1...2.5.2

Changelog between 2.5.2 and 2.5.0: 2.5.0...2.5-maintenance