upgrade design system (0.2.1) to fix external links

[indirectlylit]

Summary

incorporates learningequality/kolibri-design-system#93

Reviewer guidance

related to #7480

reverts the new window behavior, but does not address the whole thing

References

also related - #7482

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Contributor Checklist

PR process:

• PR has the correct target branch and milestone
• PR has 'needs review' or 'work-in-progress' label
• If PR is ready for review, a reviewer has been added. (Don't use 'Assignees')
• If this is an important user-facing change, PR or related issue has a 'changelog' label
• If this includes an internal dependency change, a link to the diff is provided

Testing:

• Contributor has fully tested the PR manually
• If there are any front-end changes, before/after screenshots are included
• Critical user journeys are covered by Gherkin stories
• Critical and brittle code paths are covered by unit tests

Reviewer Checklist

• Automated test coverage is satisfactory
• PR is fully functional
• PR has been tested for accessibility regressions
• External dependency files were updated if necessary (yarn and pip)
• Documentation is updated
• Contributor is in AUTHORS.md

[codecov]

Codecov Report

Merging #7483 into release-v0.14.x will increase coverage by 0.01%.
The diff coverage is n/a.

Impacted Files	Coverage Δ
kolibri/core/content/utils/annotation.py	88.61% <0.00%> (-1.22%)	⬇️
...ach/assets/src/modules/classSummary/dataHelpers.js	67.21% <0.00%> (-1.13%)	⬇️
kolibri/core/content/utils/sqlalchemybridge.py	80.97% <0.00%> (-1.08%)	⬇️
kolibri/utils/server.py	37.02% <0.00%> (-0.13%)	⬇️
...ns/coach/assets/src/modules/lessonSummary/index.js	13.33% <0.00%> (ø)
...learn/assets/src/views/AssessmentWrapper/index.vue	19.87% <0.00%> (ø)
...ibri/plugins/learn/assets/src/views/LearnIndex.vue	55.66% <0.00%> (+1.03%)	⬆️
...ns/learn/assets/src/views/ChannelCardGroupGrid.vue	21.05% <0.00%> (+1.05%)	⬆️
kolibri/utils/cli.py	66.05% <0.00%> (+1.31%)	⬆️