実際に使ってみた

version: 2
updates:
  - package-ecosystem: bundler
    directory: "/"
    schedule:
      interval: daily
    reviewers:
      - toshimaru
    allow:
      - dependency-type: "all"
    open-pull-requests-limit: 10
    groups:
      debug-gem:
        patterns:
          - "debug"
          - "irb"
          - "reline"
      rubocop:
        patterns:
          - "rubocop"
          - "rubocop-*"

Set groups for Dependabot by toshimaru · Pull Request #1920 · toshimaru/RailsTwitterClone

これによって実際に上がってきたPRが下記。

build(deps): Bump the debug-gem group with 1 update by dependabot[bot] · Pull Request #1922 · toshimaru/RailsTwitterClone