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Bump django from 2.2.13 to 2.2.18

Bump djangorestframework from 3.11.1 to 3.11.2

Adding search API

Add hubCheck utility

Bumps [djangorestframework](https://github.com/encode/django-rest-framework) from 3.11.1 to 3.11.2.
- [Release notes](https://github.com/encode/django-rest-framework/releases)
- [Commits](https://github.com/encode/django-rest-framework/compare/3.11.1...3.11.2)
Signed-off-by: dependabot[bot] <support@github.com>

Bumps [django](https://github.com/django/django) from 2.2.13 to 2.2.18.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/2.2.13...2.2.18)
Signed-off-by: dependabot[bot] <support@github.com>

Add ENA assembly mapping

Add elasticsearch mapping, indexing and enrichment (parser and enricher)