JLine 4.3.1

JLine 4.3.1 is a security patch release addressing ReDoS vulnerabilities.

🔒 Security Fixes

• fix: guard regex matching against catastrophic backtracking (ReDoS) (#2012) @gnodet
  • Adds SafeRegex utility with TimeoutCharSequence to enforce wall-clock deadlines during regex matching
  • Fixes 8 locations across terminal, reader, and builtins where user-controlled input could trigger catastrophic backtracking
  • Addresses GHSA-r2xf-8xr9-62gw, GHSA-2v9w-34q6-wpqx, GHSA-ph9c-7hw9-vhhw, GHSA-5q95-hrpc-m3w3

🐛 Bug Fixes

• fix: warn on insecure permissions when history file created concurrently (#2013) @gnodet
• fix: add synchronized to fillInStackTrace override (#2019) @gnodet

Full Changelog: 4.3.0...4.3.1