Update toc.yml

Author: ReginaLin24

support/azure/azure-kubernetes/toc.yml

@@ -368,5 +368,5 @@
       href: error-codes/vmextensionerror-vhdfilenotfound.md
   - name: UnsatisfiablePDB error
     href: error-codes/unsatisfiablepdb-error.md
-  - name: AKSCapacityError error
-    href: error-codes/akscapacityerror.md
+  - name: AksCapacityHeavyUsage error
+    href: error-codes/akscapacityheavyusage.md