[SPARK-43005][PYSPARK] Fix typo in pyspark/pandas/config.py

By comparing compute.isin_limit and plotting.max_rows, `v is v` is likely to be a typo.

### What changes were proposed in this pull request?

fix `v is v >= 0` with `v >= 0`.

### Why are the changes needed?

By comparing compute.isin_limit and plotting.max_rows, `v is v` is likely to be a typo.

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

By GitHub Actions.

Closes #40620 from thyecust/patch-2.

Authored-by: thyecust <thy@mail.ecust.edu.cn>
Signed-off-by: Sean Owen <srowen@gmail.com>
(cherry picked from commit 5ac2b0f)
Signed-off-by: Sean Owen <srowen@gmail.com>

python/pyspark/pandas/config.py

@@ -204,7 +204,7 @@ def validate(self, v: Any) -> None:
         default=1000,
         types=int,
         check_func=(
-            lambda v: v is v >= 0,
+            lambda v: v >= 0,
             "'plotting.max_rows' should be greater than or equal to 0.",
         ),
     ),