[SPARK-47208][DOCS][FOLLOWUP] Replace `spark.driver.minMemoryOverhead…

…` with `spark.executor.minMemoryOverhead`

### What changes were proposed in this pull request?
Replace spark.driver.minMemoryOverhead with spark.executor.minMemoryOverhead

### Why are the changes needed?
docfix

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

### How was this patch tested?
doc build

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

Closes #50018 from yaooqinn/SPARK-47208.

Authored-by: Kent Yao <yao@apache.org>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>

docs/configuration.md

@@ -321,7 +321,7 @@ of the most common options to set are:
   <td>2.3.0</td>
 </tr>
 <tr>
-  <td><code>spark.driver.minMemoryOverhead</code></td>
+  <td><code>spark.executor.minMemoryOverhead</code></td>
   <td>384m</td>
   <td>
     The minimum amount of non-heap memory to be allocated per executor process, in MiB unless otherwise specified, if <code>spark.executor.memoryOverhead</code> is not defined.