Small stories for Cycle 6

[36degrees]

Brief

This is a collection of 'small stories' that we plan to work on in Cycle 5. We do not need to complete them all.

The other epics take priority over these issues, but feel free to pick these up if for example you are temporarily blocked on something.

### Tasks
- [ ] https://github.com/alphagov/design-system-team-internal/issues/867
- [ ] https://github.com/alphagov/govuk-frontend/issues/4517
- [ ] https://github.com/alphagov/govuk-design-system/issues/1974
- [ ] https://github.com/alphagov/govuk-design-system/issues/2080
- [ ] https://github.com/alphagov/govuk-design-system/issues/3633
- [ ] https://github.com/alphagov/govuk-design-system/issues/3649
- [ ] https://github.com/alphagov/govuk-frontend/issues/4988
- [ ] https://github.com/alphagov/design-system-team-internal/issues/901
- [ ] https://github.com/alphagov/govuk-frontend/issues/5106
- [ ] https://github.com/alphagov/govuk-frontend/issues/5105
- [ ] https://github.com/alphagov/govuk-design-system/issues/3877