Update TOC.yml

Author: xboxeer

articles/mysql/TOC.yml

@@ -33,6 +33,8 @@
             href: flexible-server/release-notes/april-2024.md
           - name: May 2024
             href: flexible-server/release-notes/may-2024.md
+          - name: July 2024
+            href: flexible-server/release-notes/July-2024.md
       - name: Service tiers
         href: flexible-server/concepts-service-tiers-storage.md
   - name: Quickstarts