Upgrade to Ruby 3.4.6

This was released on the 16th September and contains a number of small
bug fixes: https://www.ruby-lang.org/en/news/2025/09/16/ruby-3-4-6-released/

Author: thomasleese

.ruby-version

@@ -1 +1 @@
-ruby-3.4.3
+ruby-3.4.6

.tool-versions

@@ -4,6 +4,6 @@ nodejs      22.15.0
 pkl         0.28.1
 postgres    17.2
 redis       8.2.1
-ruby        3.4.3
+ruby        3.4.6
 terraform   1.11.4
 tflint      0.55.1

Dockerfile

@@ -2,7 +2,7 @@
 # check=error=true
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version
-ARG RUBY_VERSION=3.4.3
+ARG RUBY_VERSION=3.4.6
 FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
 
 # Rails app lives here

Gemfile.lock

@@ -755,6 +755,7 @@ PLATFORMS
   arm64-darwin-22
   arm64-darwin-23
   arm64-darwin-24
+  arm64-darwin-25
   x86_64-linux
 
 DEPENDENCIES
@@ -859,7 +860,7 @@ DEPENDENCIES
   with_advisory_lock
 
 RUBY VERSION
-   ruby 3.4.3p32
+   ruby 3.4.6p54
 
 BUNDLED WITH
    2.6.2