Update dockerfile non-major dependencies to v3.4.9

renovate[bot] · web-flow · commit 0c569e2158be · 2026-06-05T13:42:57.000Z
diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
@@ -1,3 +1,3 @@
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version
-ARG RUBY_VERSION=3.4.8@sha256:5a3ff57d87764f57e3d30c308ad7738a9eb89fb416240e4cac9332e338a076b4
+ARG RUBY_VERSION=3.4.9@sha256:f5a21632e8455f3065219d1f956229e8cc89118b058f846f9f99f3199a38943e
 FROM ghcr.io/rails/devcontainer/images/ruby:$RUBY_VERSION
