- update to 5.6.3:
* Export project version in CMake config (issue #2094)
* Find only XRootD matching XRootDConfig.cmake installation path
* Do not use PEP517 by default, not supported on CentOS 7
* Call tzset() early to ensure thread-safety of localtime_r()
and mktime() (issue #2107)
* Correct maximum exp/act value in XrdNetPMark::getEA
* Create environment file within adminpath (issue #2106)
* Fix incorrect patch for authfile parsing (issue #2088)
* Skip server checksum query test on unsupported filesystems
* Return an error if xrdfs rm fails to delete any file
* Try to load blacklist even if some entries are invalid
* Wait for pipeline including XrdCl::AppendFile() to finish
* Fix parsing of chunked PUT lengths (#2102, #2103)

Minor bug fixes
[CMake] Fix Findlibuuid.cmake to use kernel provided uuid on macOS
This fixes sporadic crashes seen in FTS when debug logging is enabled.
Miscellaneous
- Replace references to /var/adm/fillup-templates with new