fix typo in docs nav sidebar (#23433) (#23437)

Signed-off-by: liangbowen <[email protected]>
Signed-off-by: Bowen Liang <[email protected]>
(cherry picked from commit 5a04623)

Co-authored-by: Bowen Liang <[email protected]>

Author: mergify[bot]

docs/TOC.md

@@ -18,7 +18,7 @@
   + Table types
     + [Overview of table types](./table_design/table_types/table_types.md)
     + [Duplicate Key table](./table_design/table_types/duplicate_key_table.md)
-    + [Aggragete table](./table_design/table_types/aggregate_table.md)
+    + [Aggregate table](./table_design/table_types/aggregate_table.md)
     + [Unique Key table](./table_design/table_types/unique_key_table.md)
     + [Primary Key table](./table_design/table_types/primary_key_table.md)
   + Data distribution