(doc) Update sidebar message

This updates the sidebar message to contain the release notes link to
CCM 0.13.0.

Author: AdmiringWorm

src/content/docs/en-us/highlights/2024/06-new-in-choco-v2.3.0-sidebar.md

@@ -11,5 +11,5 @@ highlight:
   ctaText: See what's new
   showOnHome: false
   showOnHighlights: false
-  showInSidebar: true
+  showInSidebar: false
 ---

src/content/docs/en-us/highlights/2024/07-chocolatey-central-management-0.13.0-sidebar.md

@@ -0,0 +1,15 @@
+---
+order: 0
+xref: highlight-sidebar-2024-09-19-ccm-release-notes
+title: Chocolatey Central Management v0.13.0
+description: Uplift to .NET 8.0, removing support for SQL Server 2014, plus more.
+showInSidebar: false
+highlight:
+  postedDateTime: 2024-09-19T00:00:00Z
+  ctaXref: ccm-release-notes
+  ctaAnchor: september-19-2024
+  ctaText: See what's new
+  showOnHome: false
+  showOnHighlights: false
+  showInSidebar: true
+---

src/content/docs/en-us/highlights/2024/07-chocolatey-central-management-0.13.0.md

@@ -0,0 +1,12 @@
+---
+order: 0
+xref: highlight-2024-09-19-ccm-new-in-v0-13-0
+title: What's new in Chocolatey Central Management
+description: Learn all about what's new in Chocolatey Central Management v0.13.0, including an uplift of the framework to .NET 8.0.
+showInSidebar: false
+highlight:
+  postedDateTime: 2024-09-19T00:00:00Z
+  ctaXref: ccm-release-notes
+  ctaAnchor: september-19-2024
+  ctaText: Read the release notes
+---