Consider to migrate from super-linter to sqlfluff-github-actions

[mfvanek]

https://github.com/sqlfluff/sqlfluff-github-actions

See https://github.com/sqlfluff/sqlfluff-github-actions/blob/main/menu_of_workflows/sunrise_movement/lint_models.yml

name: Lint Models

on: [pull_request]

jobs:
  lint-models:
    runs-on: ubuntu-latest
    steps:
      - uses: "actions/checkout@v2"
      - uses: "actions/setup-python@v2"
        with:
            python-version: "3.8"
      - name: Install SQLFluff
        run: "pip install sqlfluff==0.3.6"
      - name: Lint models
        run: "sqlfluff lint models"