Log Message:
entr: Update to 5.6

Changes:
== 5.6: July 1, 2024
 - Process exit status messages using background awk scripts
 - Use min(OPEN_MAX, rl.rlim_max) to set rlim_cur on MacOS
 - Detect and use native strlcpy(3)
 - Always build with GNU_SOURCE set on Linux