Require ruby compatable with 3.3, enforced by bundler

Stuart Reilly · Stuart Reilly · commit fcd787463e3d · 2025-11-19T10:13:49.000Z
diff --git a/Gemfile b/Gemfile
@@ -1,4 +1,5 @@
 source 'http://rubygems.org'
+ruby '~> 3.3'
 
 gem "jekyll", "~> 4"
 group :jekyll_plugins do
