[SPARK-54849][PYTHON][FOLLOW-UP] Update the version in require_minimum_pyarrow_version

### What changes were proposed in this pull request?
Update the version in `require_minimum_pyarrow_version`

### Why are the changes needed?
this place was missing in #53619

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

### How was this patch tested?
ci

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

Closes #53645 from zhengruifeng/require_minimum_pyarrow_version.

Authored-by: Ruifeng Zheng <[email protected]>
Signed-off-by: Ruifeng Zheng <[email protected]>

Author: zhengruifeng

python/pyspark/sql/pandas/utils.py

@@ -61,7 +61,7 @@ def require_minimum_pandas_version() -> None:
 def require_minimum_pyarrow_version() -> None:
     """Raise ImportError if minimum version of pyarrow is not installed"""
     # TODO(HyukjinKwon): Relocate and deduplicate the version specification.
-    minimum_pyarrow_version = "15.0.0"
+    minimum_pyarrow_version = "18.0.0"
 
     import os