[v11.3.x] Docs: What’s new & Upgrade guide v11.3 (#95088)

Co-authored-by: Mitch Seaman <mjseaman@users.noreply.github.com>
Co-authored-by: Isabel Matwawana <76437239+imatwawana@users.noreply.github.com>

docs/sources/upgrade-guide/upgrade-v11.3/index.md

@@ -0,0 +1,22 @@
+---
+description: Guide for upgrading to Grafana v11.3
+keywords:
+  - grafana
+  - configuration
+  - documentation
+  - upgrade
+  - '11.3'
+title: Upgrade to Grafana v11.3
+menuTitle: Upgrade to v11.3
+weight: 900
+---
+
+# Upgrade to Grafana v11.3
+
+{{< docs/shared lookup="upgrade/intro.md" source="grafana" version="<GRAFANA_VERSION>" >}}
+
+{{< docs/shared lookup="back-up/back-up-grafana.md" source="grafana" version="<GRAFANA_VERSION>" leveloffset="+1" >}}
+
+{{< docs/shared lookup="upgrade/upgrade-common-tasks.md" source="grafana" version="<GRAFANA_VERSION>" >}}
+
+## Technical notes

docs/sources/upgrade-guide/when-to-upgrade/index.md

@@ -7,7 +7,7 @@ keywords:
   - upgrade
 title: Strategies for upgrading your self-managed Grafana instance
 menuTitle: Upgrade strategies
-weight: 1000
+weight: 1
 ---
 
 # Strategies for upgrading your self-managed Grafana instance