Gitlab repo: update docs-lint image to pull in new SVGs

What does this MR do and why?

In !147384 (merged), @lauraXD discovered that a badge image available in https://gitlab-org.gitlab.io/gitlab-svgs/ was causing a pipeline error when using it in the UI / documentation:

ArgumentError: partner-verified is not a known icon in @gitlab-org/gitlab-svg
926lib/helpers/icons_helper.rb:22:in `icon':
partner-verified is not a known icon in @gitlab-org/gitlab-svg (ArgumentError)

Our internal Technical Writing documentation gives instructions on what to do. I've created gitlab-docs#1777 (closed) to update the linting images.

This MR is one of a set to make the new images available in our major repos, to unblock Laura.

Related items

• Related to Frontend: Add badge for components (!147384 - merged) where the need was discovered
• Related to Update the html-lint Docker image (gitlab-docs#1777 - closed) where I'm tracking the overall work
• Related to Update CI YAML with link to new image (gitlab-docs!4676 - merged) where I first updated the gitlab-docs repo to use the new image

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