Merge pull request #308 from MITLibraries/renovate/ghcr.io-rails-devcontainer-images-ruby-3.4.8

Update ghcr.io/rails/devcontainer/images/ruby:3.4.8 Docker digest to 5a3ff57

Author: JPrevost

.devcontainer/Dockerfile

@@ -1,3 +1,3 @@
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version
-ARG RUBY_VERSION=3.4.8@sha256:4acd870d1ad97d037a85647b516af866406b29a96fa6d93ceb38266d186b9c32
+ARG RUBY_VERSION=3.4.8@sha256:5a3ff57d87764f57e3d30c308ad7738a9eb89fb416240e4cac9332e338a076b4
 FROM ghcr.io/rails/devcontainer/images/ruby:$RUBY_VERSION