Locatieserver

Changes

* [DEPENDABOT]: Bump sphinx from 4.1.0 to 4.4.0 (28) dependabot
* [DEPENDABOT]: Bump actions/setup-python from 2 to 3 (31) dependabot
* [DEPENDABOT]: Bump actions/checkout from 2 to 3 (32) dependabot
* [DEPENDABOT]: Bump pypa/gh-action-pypi-publish from 1.4.2 to 1.5.0 (33) dependabot
* [DEPENDABOT]: Bump actions/upload-artifact from 2.2.4 to 3 (30) dependabot
* [DEPENDABOT]: Bump actions/download-artifact from 2.0.10 to 3 (29) dependabot
* [DEPENDABOT]: Bump reorder-python-imports from 2.5.0 to 2.6.0 (17) dependabot
* [DEPENDABOT]: Bump actions/cache from 2.1.6 to 2.1.7 (24) dependabot
* [DEPENDABOT]: Bump sphinx-rtd-dark-mode from 1.2.2 to 1.2.4 (19) dependabot
* [DEPENDABOT]: Bump codecov/codecov-action from 1.5.2 to 2.1.0 (22) dependabot

Mark all attributes of LookupDoc as Optional since we have no information about the required fields.

* [DEPENDABOT]: Bump pep8-naming from 0.11.1 to 0.12.0 (12) dependabot
* [DEPENDABOT]: Bump respx from 0.17.0 to 0.17.1 (11) dependabot
* [DEPENDABOT]: Bump sphinx from 4.0.2 to 4.1.0 (13) dependabot
* [DEPENDABOT]: Bump xdoctest from 0.15.4 to 0.15.5 (10) dependabot

Changes

* [DEPENDABOT]: Bump mypy from 0.902 to 0.910 (6) dependabot
* Schema improvements

All services are now implemented.