Directory-components

[Full Changelog](https://github.com/uktrade/directory-components/pull/286/files)

Implemented enhancements
- `django_language` and `country` cookies are now set as secure and http-only.

Breaking Changes
- All implementing applications are required to provide the following additional settings
-- `LANGUAGE_COOKIE_SECURE` should be `true` for all production environments. Should be `false` locally if required to run without https.
-- `COUNTRY_COOKIE_SECURE` should be `true` for all production environments. Should be `false` locally if required to run without https.

[Full Changelog](https://github.com/uktrade/directory-components/pull/285/files)

Implemented enhancements
- Amended list elements in footer to pass accessibility and mobile menu

[Full Changelog](https://github.com/uktrade/directory-components/pull/286/files)
Implemented enhancements
- no ticket: Refactored makefile
- No ticket: Speed up tests during development and test by not running collectstatic
- No ticket: renamed config to conf for consistency
- TT-1808: Add no-validate to no cache middleware

[Full Changelog](https://github.com/uktrade/directory-components/pull/284/files)

Fix bugs
- CMS-1843: Fix language picker not appearing in international header.
- no ticket: Fix home and domestic URL's in international header.
- no ticket: Fix country selector in the international header.

[Full Changelog](https://github.com/uktrade/directory-components/pull/283/files)

Implemented enhancements
- Changed the colour of the second level nav (again) and the underline active colour of first level

[Full Changelog](https://github.com/uktrade/directory-components/pull/282/files)

Implemented enhancements
- Changed the colour of the second level nav