Log Message:
misc/screen: update to 4.9.1.

# Changes
Version 4.9.1 (20/08/2023):
  * Support stop/parity bits on serial port (#23952)
  * Add needed system headers in checks and return values
    for implicit function declarations
  * Fixes:
	- Avoid zombies after shell exit (#25089)
	- Missed signal sending permission check on failed
	  query messages (CVE-2023-24626)
	- manpage fixes
	- source code fixes during cleanup
	- UTF-8 encoding can emit invalid UTF-8 sequences
	  for out of range unicode values (#62097)