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-person-add.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" class="svg octicon-person-add" width="16" height="16" aria-hidden="true"><path d="M7.9 8.548h-.001a5.528 5.528 0 0 1 3.1 4.659.75.75 0 1 1-1.498.086A4.01 4.01 0 0 0 5.5 9.5a4.01 4.01 0 0 0-4.001 3.793.75.75 0 1 1-1.498-.085 5.527 5.527 0 0 1 3.1-4.66 3.5 3.5 0 1 1 4.799 0ZM13.25 0a.75.75 0 0 1 .75.75V2h1.25a.75.75 0 0 1 0 1.5H14v1.25a.75.75 0 0 1-1.5 0V3.5h-1.25a.75.75 0 0 1 0-1.5h1.25V.75a.75.75 0 0 1 .75-.75M5.5 4a2 2 0 1 0-.001 3.999A2 2 0 0 0 5.5 4"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" class="svg octicon-person-add" width="16" height="16" aria-hidden="true"><path d="M7.9 8.548h-.001a5.528 5.528 0 0 1 3.1 4.659.75.75 0 1 1-1.498.086A4.01 4.01 0 0 0 5.5 9.5a4.01 4.01 0 0 0-4.001 3.793.75.75 0 1 1-1.498-.085 5.527 5.527 0 0 1 3.1-4.66 3.5 3.5 0 1 1 4.799 0M13.25 0a.75.75 0 0 1 .75.75V2h1.25a.75.75 0 0 1 0 1.5H14v1.25a.75.75 0 0 1-1.5 0V3.5h-1.25a.75.75 0 0 1 0-1.5h1.25V.75a.75.75 0 0 1 .75-.75M5.5 4a2 2 0 1 0-.001 3.999A2 2 0 0 0 5.5 4"/></svg>