Update JS dependencies (#28537)

- Update all JS dependencies excluding mcaptcha (breaking changes) and
stylelint (plugin not compatible with v16)
- Regenerate SVGs
- Update markdownlint rule names
- Fix one issue of heading in markdown discovered during lint
- Update for monaco options renames
- Fix stylelint rule length-zero-no-unit for custom properties
- Tested editor, swagger, sorting, vue, lint

public/assets/img/svg/octicon-arrow-down-left.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" class="svg octicon-arrow-down-left" width="16" height="16" aria-hidden="true"><path d="M11.78 4.22a.75.75 0 0 1 0 1.06l-5.26 5.26h4.2a.75.75 0 0 1 0 1.5H4.71a.75.75 0 0 1-.75-.75V5.28a.75.75 0 0 1 1.5 0v4.2l5.26-5.26a.75.75 0 0 1 1.06 0Z"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" class="svg octicon-arrow-down-left" width="16" height="16" aria-hidden="true"><path d="M11.78 4.22a.75.75 0 0 1 0 1.06l-5.26 5.26h4.2a.75.75 0 0 1 0 1.5H4.71a.75.75 0 0 1-.75-.75V5.28a.75.75 0 0 1 1.5 0v4.2l5.26-5.26a.75.75 0 0 1 1.06 0"/></svg>