GitLab

This is a simple addition that adds a healthcheck for the Yotter web UI, allowing for better monitoring and autohealing of the yotter container if the UI is unavailable.

Bumps [actions/cache](https://github.com/actions/cache) from v2.1.3 to v2.1.4.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/compare/v2.1.3...26968a09c0ea4f3e233fdddbafd1166051a095f6)
Signed-off-by: dependabot[bot] <support@github.com>

Bumps [bleach](https://github.com/mozilla/bleach) from 3.2.1 to 3.3.0.
- [Release notes](https://github.com/mozilla/bleach/releases)
- [Changelog](https://github.com/mozilla/bleach/blob/master/CHANGES)
- [Commits](https://github.com/mozilla/bleach/compare/v3.2.1...v3.3.0)
Signed-off-by: dependabot[bot] <support@github.com>

Refactor to use f-strings

Fix incorrect spellings

"Trendig" should be trending. "recomendations" should be "recommendations".

Bump sqlalchemy from 1.3.21 to 1.3.22

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 1.3.21 to 1.3.22.
- [Release notes](https://github.com/sqlalchemy/sqlalchemy/releases)
- [Changelog](https://github.com/sqlalchemy/sqlalchemy/blob/master/CHANGES)
- [Commits](https://github.com/sqlalchemy/sqlalchemy/commits)
Signed-off-by: dependabot[bot] <support@github.com>

Bump sqlalchemy from 1.3.20 to 1.3.21

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 1.3.20 to 1.3.21.
- [Release notes](https://github.com/sqlalchemy/sqlalchemy/releases)
- [Changelog](https://github.com/sqlalchemy/sqlalchemy/blob/master/CHANGES)
- [Commits](https://github.com/sqlalchemy/sqlalchemy/commits)
Signed-off-by: dependabot[bot] <support@github.com>

Bumps [requests](https://github.com/psf/requests) from 2.25.0 to 2.25.1.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/master/HISTORY.md)
- [Commits](https://github.com/psf/requests/compare/v2.25.0...v2.25.1)
Signed-off-by: dependabot[bot] <support@github.com>

Bumps [packaging](https://github.com/pypa/packaging) from 20.7 to 20.8.
- [Release notes](https://github.com/pypa/packaging/releases)
- [Changelog](https://github.com/pypa/packaging/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pypa/packaging/compare/20.7...20.8)
Signed-off-by: dependabot[bot] <support@github.com>

Bump cachetools from 4.1.1 to 4.2.0

Bumps [cachetools](https://github.com/tkem/cachetools) from 4.1.1 to 4.2.0.
- [Release notes](https://github.com/tkem/cachetools/releases)
- [Changelog](https://github.com/tkem/cachetools/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/tkem/cachetools/compare/v4.1.1...v4.2.0)
Signed-off-by: dependabot[bot] <support@github.com>

Bumps [certifi](https://github.com/certifi/python-certifi) from 2020.11.8 to 2020.12.5.
- [Release notes](https://github.com/certifi/python-certifi/releases)
- [Commits](https://github.com/certifi/python-certifi/compare/2020.11.08...2020.12.05)
Signed-off-by: dependabot[bot] <support@github.com>

Bumps [packaging](https://github.com/pypa/packaging) from 20.4 to 20.7.
- [Release notes](https://github.com/pypa/packaging/releases)
- [Changelog](https://github.com/pypa/packaging/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pypa/packaging/compare/20.4...20.7)
Signed-off-by: dependabot[bot] <support@github.com>

Bumps [lxml](https://github.com/lxml/lxml) from 4.6.1 to 4.6.2.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](https://github.com/lxml/lxml/compare/lxml-4.6.1...lxml-4.6.2)
Signed-off-by: dependabot[bot] <support@github.com>

Bump zope-interface from 5.1.2 to 5.2.0