[MINOR] Fix spelling mistake in comment

### What changes were proposed in this pull request?
This PR fixes a typo in the comment for `InsertMapSortInGroupingExpressions`.

### Why are the changes needed?
The change helps other developers in understanding the code.

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
Existing test suite

### Was this patch authored or co-authored using generative AI tooling?
No

Closes apache#47818 from tedyu/ty-map-sort-doc.

Authored-by: Ted Yu <ted.yu@kustomer.com>
Signed-off-by: Max Gekk <max.gekk@gmail.com>

python/pyspark/sql/connect/proto/base_pb2.pyi

@@ -1910,7 +1910,7 @@ class ConfigRequest(google.protobuf.message.Message):
         def pairs(
             self,
         ) -> google.protobuf.internal.containers.RepeatedCompositeFieldContainer[global___KeyValue]:
-            """(Required) The config key-value paris to get. The value will be used as the default value."""
+            """(Required) The config key-value pairs to get. The value will be used as the default value."""
         def __init__(
             self,
             *,