2.1.0-39

• update to libtorrent master
• minimum supported Android API >= 28
• update android NDK r29
• update to OpenSSL 3.5.5
• update to boost 1.90.0
• using SWIG 4.4.1
• lt:updated libdatachannel to rev a4d3211da33bc1114ae50d2dd12f4186b67aaba4
• lt:fix issue in XML parser
• lt:make the save path for part files configurable
• lt:fix no-copy-on-write flag setting
• lt:add new setting disk_disable_copy_on_write to set FS_NOCOW_FL on new
  files.
• lt:add performance counters to file pool
• lt:fix broken request latency measurement
• lt:add I2P reconnection fix
• lt:add high_priority flag to tracker announcements, to put them at the front
  of the queue.
• lt:update default DSCP value and update docs
• lt:fix error handling in mmap disk I/O when hashing files
• lt:make copy_file_range() fall back if it fails with ENOSYS
• lt:source code cleanup, performance and stability