Create Dependabot config file

version: 2

updates:

- package-ecosystem: gradle

  directory: "/"

  schedule:

    interval: weekly

    day: saturday

    time: "03:00"

    timezone: Europe/Paris

  open-pull-requests-limit: 10

  labels:

  - 2. to review

  - dependencies

  ignore:

  - dependency-name: com.squareup.okhttp3:okhttp

    versions:

    - ">= 3.13.a"

    - "< 3.14"

  - dependency-name: com.squareup.okhttp3:okhttp

    versions:

    - ">= 3.14.a"

    - "< 3.15"

  - dependency-name: com.squareup.okhttp3:okhttp

    versions:

    - ">= 4.a"

    - "< 5"