UPDATE to ruby 4.0.1 (#262)

MaximeD · web-flow · commit 43d6d7458ce3 · 2026-01-17T07:10:32.000+01:00
See [announcement][1]. [1]: https://www.ruby-lang.org/en/news/2026/01/13/ruby-4-0-1-released/
diff --git a/.ruby-version b/.ruby-version
@@ -1 +1 @@
-4.0.0
+4.0.1
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # master (unreleased)
 
+Development tools:
+
+* bump to ruby 4.0.1
+
 # v8.2.0 (December 28, 2025)
 
 Development tools:
