Migrate `app/assets/javascripts/import_entities/import_projects/store/index.js` to Pinia
[`app/assets/javascripts/import_entities/import_projects/store/index.js`](https://gitlab.com/gitlab-org/gitlab/blob/499488fbc989d38acbd72223b43b6e29ce5176cc/app/assets/javascripts/import_entities/import_projects/store/index.js) store should be migrated to Pinia using [the single-step migration](https://docs.gitlab.com/development/fe_guide/pinia/#single-step-migration).
Files to cover (non-exhaustive):
- `app/assets/javascripts/import_entities/import_projects/store/index.js`
- `app/assets/javascripts/import_entities/import_projects/store/actions.js`
- `app/assets/javascripts/import_entities/import_projects/store/getters.js`
- `app/assets/javascripts/import_entities/import_projects/store/mutations.js`
- `app/assets/javascripts/import_entities/import_projects/store/state.js`
- `app/assets/javascripts/import_entities/import_projects/index.js`
- `app/assets/javascripts/import_entities/import_projects/components/import_projects_table.vue`
- `app/assets/javascripts/import_entities/import_projects/components/github_status_table.vue`
- `app/assets/javascripts/import_entities/import_projects/components/provider_repo_table_row.vue`
And their respective specs.
issue