Merge pull request ClickHouse#77012 from sadra-barikbin/patch-1

Fix an example table in `JOIN` clause doc

Author: alexey-milovidov

docs/en/sql-reference/statements/select/join.md

@@ -321,7 +321,7 @@ For example, consider the following tables:
 ```text
          table_1                           table_2
       event   | ev_time | user_id       event   | ev_time | user_id
-    ----------|---------|---------- ----------|---------|----------
+    ----------|---------|----------   ----------|---------|----------
                   ...                               ...
     event_1_1 |  12:00  |  42         event_2_1 |  11:59  |   42
                   ...                 event_2_2 |  12:30  |   42