incorrect ruby version>=4 in ruby:3-trixie

[casperdcl]

• mcr.microsoft.com/devcontainers/ruby:3.4-trixie correctly ships v3.4
• mcr.microsoft.com/devcontainers/ruby:3-trixie incorrectly ships v4.0.5
  • sha256:84f80d679e21d0b684a73926c549d13a39743030387ec5dbb50e8db80a12fbdf

docker run --rm -it mcr.microsoft.com/devcontainers/ruby:3.4-trixie ruby --version
ruby 3.4.9 (2026-03-11 revision 76cca827ab) +PRISM [x86_64-linux]
docker run --rm -it mcr.microsoft.com/devcontainers/ruby:3-trixie ruby --version
ruby 4.0.5 (2026-05-20 revision 64336ffd0e) +PRISM [x86_64-linux]