fix(devcontainers): pin ruby dev container to debian bookworm

See devcontainers/features#1431
See devcontainers/features#1479

Author: scooter-dangle

.devcontainer/Dockerfile

@@ -1,7 +1,11 @@
 # Installs Ruby 3.2.2. When human-essentials moves to a newer version of ruby,
 # it will be more efficient to change the image.
 # See https://github.com/devcontainers/images/blob/main/src/ruby/history/
-FROM mcr.microsoft.com/devcontainers/ruby:dev-3.2
+#
+# See devcontainers/features#1431 for why we include the `-bookworm`
+# suffix. Once that issue is resolved, we can remove the suffix, which
+# will let us follow the debian upgrade to trixie.
+FROM mcr.microsoft.com/devcontainers/ruby:dev-3.2-bookworm
 RUN export DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get -y install vim curl gpg postgresql postgresql-contrib
 RUN cd /tmp

CONTRIBUTING.md

@@ -136,7 +136,7 @@ You might also want to try VSCode with [this WSL extension](https://marketplace.
 
 ## Codespaces and Dev Container - EXPERIMENTAL 🛠️
 
-[![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/rubyforgood/human-essentials/tree/main?quickstart=1)
+[![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/rubyforgood/human-essentials/tree/fix-devcontainers?quickstart=1)
 
 [![Clone and open in VSCode Dev Container](https://img.shields.io/static/v1?label=Dev%20Containers&message=Clone%20and%20Open%20in%20VSCode&color=blue&logo=visualstudiocode)](https://vscode.dev/redirect?url=vscode://ms-vscode-remote.remote-containers/cloneInVolume?url=https://github.com/rubyforgood/human-essentials)