update lock clucknut

vendor/voku/portable-ascii/CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+### 2.1.0 (2026-04-16)
+
+- run all checks and tests up to PHP 8.5
+- raise the minimum PHP version from 7.0 to 7.1
+- update PHPUnit dev-dependency to support ~8.5 || ~9.6 || ~10.5 || ~11.5
+- modernize CI: add a required PHPStan job, update the GitHub Actions matrix, and refresh the AppVeyor config
+- optimize `ASCII::to_ascii()` / `ASCII::to_transliterate()` hot paths, add benchmark coverage, and document current benchmark results
+- harden invalid UTF-8 handling in `clean()`, `to_ascii()`, and `to_transliterate()` for malformed, overlong, surrogate, and out-of-range sequences
+- expand regression coverage for malformed UTF-8, transliteration boundaries, slug loops, and other edge cases
+
 ### 2.0.3 (2024-11-21)
 
 - use modern phpdocs e.g. list<int> or conditional-return annotations 
@@ -207,4 +217,4 @@ ### 1.1.0 (2019-09-07)
 
 ### 1.0.0 (2019-09-05)
 
-- initial commit
+- initial commit