chore(deps): update dependency ruby to v4

renovate[bot] · web-flow · commit 26d681e30eae · 2026-01-13T04:56:09.000Z
diff --git a/.ruby-version b/.ruby-version
@@ -1 +1 @@
-3.4.8
+4.0.1
diff --git a/Gemfile b/Gemfile
@@ -1,5 +1,5 @@
 source "https://rubygems.org"
-ruby "3.4.8"
+ruby "4.0.1"
 
 gem "jekyll", ">= 4.4.1"
 gem "html-proofer", ">= 3.10.0"
