a11y: fix list structure in runs-on reusable and add role=status to journey progress (#61419)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: docs-bot

data/reusables/actions/jobs/choosing-runner-overview.md

@@ -1,7 +1,6 @@
 Use `jobs.<job_id>.runs-on` to define the type of machine to run the job on.
 
-{% ifversion fpt or ghec %}- The destination machine can be either a [{% data variables.product.prodname_dotcom %}-hosted runner](#choosing-github-hosted-runners), [{% data variables.actions.hosted_runner %}](#choosing-runners-in-a-group), or a [self-hosted runner](#choosing-self-hosted-runners).{% else %}
-* The destination machine can be a [self-hosted runner](#choosing-self-hosted-runners).{% endif %}
+* The destination machine can be {% ifversion fpt or ghec %}either a [{% data variables.product.prodname_dotcom %}-hosted runner](#choosing-github-hosted-runners), [{% data variables.actions.hosted_runner %}](#choosing-runners-in-a-group), or a [self-hosted runner](#choosing-self-hosted-runners){% else %}a [self-hosted runner](#choosing-self-hosted-runners){% endif %}.
 * You can target runners based on the labels assigned to them, or their group membership, or a combination of these.
 * You can provide `runs-on` as:
   * A single string

src/journeys/components/JourneyTrackCard.tsx

@@ -27,7 +27,7 @@ export function JourneyTrackCard({ journey }: Props) {
             {trackTitle}
           </Link>
         </h2>
-        <span className="f5 color-fg-muted">
+        <span role="status" className="f5 color-fg-muted">
           {t('current_progress')
             .replace('{n}', `${numberOfGuides}`)
             .replace('{i}', `${currentGuideIndex + 1}`)}