fix deploy preview shared content (#97355)

* fix deploy preview shared content

* trigger build

* update workflow

* fix param

* revert content change

* trigger build

* trigger build

* trigger build

* revert ref change

.github/workflows/deploy-pr-preview.yml

@@ -19,4 +19,5 @@ jobs:
       title: ${{ github.event.pull_request.title }}
       repo: grafana
       website_directory: content/docs/grafana/latest
-      relative_prefix: /docs/grafana/latest/
+      relative_prefix: /docs/grafana/latest/
+      index_file: true

docs/sources/_index.md

@@ -45,7 +45,7 @@ cards:
       height: 24
     - title: Dashboards
       href: ./dashboards/
-      description: Query, transform, visualize, and understand your data no matter where it’s stored.
+      description: Query, transform, visualize, and understand your data no matter where it's stored.
       height: 24
     - title: Panels and Visualizations
       href: ./panels-visualizations/