[ruby/grape] Upgrade to Ruby 4.0-rc (#10387)

p8 · web-flow · commit 94a84493775a · 2025-12-10T09:32:05.000-08:00
diff --git a/frameworks/Ruby/grape/grape-iodine.dockerfile b/frameworks/Ruby/grape/grape-iodine.dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.5-rc
+FROM ruby:4.0-rc
 
 ENV RUBY_YJIT_ENABLE=1
 
diff --git a/frameworks/Ruby/grape/grape.dockerfile b/frameworks/Ruby/grape/grape.dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.5-rc
+FROM ruby:4.0-rc
 
 ENV RUBY_YJIT_ENABLE=1
 
