build(deps): bump govuk-frontend from 5.14.0 to 6.0.0 in the frontend group

[dependabot]

Bumps the frontend group with 1 update: govuk-frontend.

Updates govuk-frontend from 5.14.0 to 6.0.0

Release notes

Sourced from govuk-frontend's releases.

GOV.UK Frontend v6.0.0

To install this version with npm, run npm install govuk-frontend@6.0.0. You can also find more information about how to stay up to date in our documentation.

Breaking changes

Make sure you're using Dart Sass v1.79.0 or newer to compile your Sass stylesheets

GOV.UK Frontend no longer supports Ruby Sass, LibSass or versions of Dart Sass older than v1.79.0. Update your project to Dart Sass v1.79.0 or newer before updating to GOV.UK Frontend v6.0.

We made these changes in the following pull requests:

• #6311: Remove support for Ruby Sass and LibSass
• #6366: Update Dart Sass tests minimum version to 1.79.0

Update to the new type scale

We’ve applied the new type scale that was first introduced in GOV.UK Frontend 5.2.0 as an opt-in feature.

The type scale increases the size of text on small screens, improving legibility and accessibility.

We've also removed size 14 from the type scale. The smallest size in the type scale is now 16.

See the Design System website for an overview of the changes to the type scale in the Design System.

You should test your service against the new type scale to see if you need to make any adjustments, particularly on small screens.

Stop using size 14 from the type scale

You'll now see an error when compiling your Sass if you pass $size: 14 to the govuk-font-size or govuk-font mixins.

Update your code to use a different size.

We made this change in [pull request #6417: Remove 14 from the type scale](alphagov/govuk-frontend#6417).

Stop using the govuk-body-xs and govuk-!-font-size-14 classes

Update your service to remove or replace references to the govuk-body-xs or govuk-!-font-size-14 classes.

We've removed these classes from GOV.UK Frontend.

We made this change in [pull request #6417: Remove 14 from the type scale](alphagov/govuk-frontend#6417).

Remove references to the $govuk-new-typography-scale feature flag

Remove any references to the $govuk-new-typography-scale feature flag from your code. We've now removed this feature flag.

We made this change in [pull request #6421: Turn the new type scale on by default](alphagov/govuk-frontend#6421).

Use GOV.UK brand colours

... (truncated)

Changelog

Sourced from govuk-frontend's changelog.

v6.0.0 (Breaking release)

Breaking changes

Make sure you're using Dart Sass v1.79.0 or newer to compile your Sass stylesheets

GOV.UK Frontend no longer supports Ruby Sass, LibSass or versions of Dart Sass older than v1.79.0. Update your project to Dart Sass v1.79.0 or newer before updating to GOV.UK Frontend v6.0.

We made these changes in the following pull requests:

• #6311: Remove support for Ruby Sass and LibSass
• #6366: Update Dart Sass tests minimum version to 1.79.0

Update to the new type scale

We’ve applied the new type scale that was first introduced in GOV.UK Frontend 5.2.0 as an opt-in feature.

The type scale increases the size of text on small screens, improving legibility and accessibility.

We've also removed size 14 from the type scale. The smallest size in the type scale is now 16.

See the Design System website for an overview of the changes to the type scale in the Design System.

You should test your service against the new type scale to see if you need to make any adjustments, particularly on small screens.

Stop using size 14 from the type scale

You'll now see an error when compiling your Sass if you pass $size: 14 to the govuk-font-size or govuk-font mixins.

Update your code to use a different size.

We made this change in [pull request #6417: Remove 14 from the type scale](alphagov/govuk-frontend#6417).

Stop using the govuk-body-xs and govuk-!-font-size-14 classes

Update your service to remove or replace references to the govuk-body-xs or govuk-!-font-size-14 classes.

We've removed these classes from GOV.UK Frontend.

We made this change in [pull request #6417: Remove 14 from the type scale](alphagov/govuk-frontend#6417).

Remove references to the $govuk-new-typography-scale feature flag

Remove any references to the $govuk-new-typography-scale feature flag from your code. We've now removed this feature flag.

We made this change in [pull request #6421: Turn the new type scale on by default](alphagov/govuk-frontend#6421).

Use GOV.UK brand colours

We’ve updated GOV.UK Frontend to use the GOV.UK web palette from v1.0 of the GOV.UK brand guidelines.

... (truncated)

Commits

• a12af67 Release 6.0.0
• b20d16a Remove leading _ from colour custom properties
• 9129bb8 Merge pull request #6712 from alphagov/links-10-percent-shade
• a117712 Update warning if applied colour variables are set
• b1e2fcf Fix line length of comments
• 9bec507 Update docs for $govuk-functional-colours
• 2f1dddf Update docs for govuk-functional-colour
• f412cd7 Update doc for govuk-colour and add usage examples
• 9e07cfc Explain how borders are used in service navigation
• d9500e6 Remove surface link functional colour
• Additional commits viewable in compare view

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[dependabot]

Looks like govuk-frontend is updatable in another way, so this is no longer needed.