version: 2
updates:
    - package-ecosystem: "composer"
      directory: "/"
      schedule:
          interval: "daily"
      labels:
          - "Dependencies 📦"
          - "PHP 🐘"
      versioning-strategy: "widen"
      open-pull-requests-limit: 1

version: 2
updates:
    - package-ecosystem: "composer"
      target-branch: "master"
      directory: "/"
      schedule:
          interval: "daily"
      labels:
          - "Dependencies 📦"
          - "PHP 🐘"
      versioning-strategy: "widen"
      open-pull-requests-limit: 1
    - package-ecosystem: "composer"
      target-branch: "4.x"
      directory: "/"
      schedule:
          interval: "daily"
      labels:
          - "Dependencies 📦"
          - "PHP 🐘"
      versioning-strategy: "widen"
      open-pull-requests-limit: 1

Add Dependabot configuration for 4.x branch
Add Dependabot configuration for 4.x branch