Use govuk summary list for docs-as-code technology options

[jeff-horton-ho-sas]

• Migrate docs-as-code pattern to use dls for technical summaries of docs-as-code frameworks

Is this pull request a content or a code change? Code change with content presenntation change

Code change

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Accessibility considerations

• [X] This change might impact accessibility, automated aXe tests cover the impact

Content change

I can confirm:

• [X] ~Content does not include any code or configuration changes (excluding frontmatter information)~ The content semantics have not changed, but the presentation has been updated.
• [X] Content meets the content standards e.g. Writing a principle and Writing a standard
• [X] Content is suitable to open source, i.e.:
  • Content does not relate to unreleased gov policy
  • Content does not refer to anti-fraud mechanisms
  • Content does not include sensitive business logic
• [X] Last updated date for content is correct