chore: bump @progress/wct-a11y-spec from 2.12.0 to 2.13.0 in /src-a11y (

#2149)

* chore: bump @progress/wct-a11y-spec from 2.12.0 to 2.13.0 in /src-a11y

Bumps [@progress/wct-a11y-spec](https://github.com/telerik/web-components-ux) from 2.12.0 to 2.13.0.
- [Commits](https://github.com/telerik/web-components-ux/commits)

---
updated-dependencies:
- dependency-name: "@progress/wct-a11y-spec"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* docs: update accessibility and keyboard-nav specs

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: kendo-bot <[email protected]>

components/stepper/accessibility/wai-aria-support.md

@@ -31,8 +31,8 @@ The Stepper component is a landmark `<nav>` element or an element with `role="na
 | `.k-stepper` | `role=navigation` or `nodeName=nav` | The landmark role `navigation` must be assigned to the component. |
 | `.k-step-disabled>.k-step-link` | `aria-disabled=true` | A disabled (inactive) link. |
 | `.k-step-current>.k-step-link` | `aria-current=step` | The currently selected link. |
-|  | `tabindex=0` | Removes the element from the page Tab sequence. Set when a tab is not selected so that only the selected tab is in the page Tab sequence. |
-| `.k-step:not(.k-step-current) .k-step-link` | `tabindex=-1` | Removes the element from the page Tab sequence. Set when a tab is not selected so that only the selected tab is in the page Tab sequence. |
+| `.k-step.k-focus .k-step-link` | `tabindex=0` | Add element to the page Tab sequence. Set based on the Roving tabindex navigation when the tab is focused. |
+| `.k-step:not(.k-focus) .k-step-link` | `tabindex=-1` | Removes the element from the page Tab sequence. Set based on the Roving tabindex navigation when a tab is not focused. |
 
 
 No aria attributes should be applied to the Stepper as the ProgressBar serves a purely aesthetic purpose.

src-a11y/package.json

@@ -8,7 +8,7 @@
   "author": "",
   "license": "ISC",
   "devDependencies": {
-    "@progress/wct-a11y-spec": "^2.12.0",
+    "@progress/wct-a11y-spec": "^2.13.0",
     "gulp": "^4.0.2",
     "gulp-json-editor": "^2.5.6",
     "gulp-rename": "^2.0.0",