message: docs(docs-infra): prevent auto-linking of snippet in guide
  By adding the `bash` language to the code snippet it will no
  longer be auto-linked, which was causing a false positive link
  to be rendered.
  Fixes
  PR Close
diff: @@ -6,7 +6,7 @@ This guide contains everything you need to know about updating to the next Angul
  If your application uses the CLI, you can update to version 9 automatically with the help of the `ng update` script:
  -```
  +```sh
  ng update @angular/core@8 @angular/cli@8
  git add .
  git commit --all -m "build: update Angular packages to latest 8.x version"
  