fix(apim): Fix dead link to "stv1 compute platform retirement (August 2024)"

Author: tomkerkhove

articles/api-management/TOC.yml

@@ -666,6 +666,7 @@
     - name: Workspaces breaking changes (June 2024)
       href: breaking-changes/workspaces-breaking-changes-june-2024.md
     - name: stv1 compute platform retirement (August 2024)
+      href: breaking-changes/stv1-platform-retirement-august-2024.md
     - name: Git configuration retirement (March 2025)
       href: breaking-changes/git-configuration-retirement-march-2025.md
     - name: Direct management API retirement (March 2025)