UHF-9963: You might be interested in blocks new design

[teroelonen]

UHF-9963

What was done

• Styled component--news-of-interest block according to new designs.

How to install

• Check testing instructions from the front page PR

How to test

• Check testing instructions from the front page PR
• Check that code follows our standards

Continuous documentation

• This feature has been documented/the documentation has been updated
• This change doesn't require updates to the documentation

Translations

• Translations have been added to .po -files and included in this PR

Other PRs

• UHF-9963: You might be interested in blocks new design  #1019
• UHF-9963: You might be interested in blocks new design drupal-helfi-etusivu#656

[github-actions]

⚠️ Visual regression found! Please check if this change is wanted or accidental. You can check the output here: https://city-of-helsinki.github.io/drupal-hdbt/pull/1019/html_report/