[SPARK-34679][DOCS] Add inferTimestamp option to JSON data source options table

docs/sql-data-sources-json.md

@@ -201,6 +201,12 @@ Data source options of JSON can be set via:
     <td>Sets the string that indicates a timestamp without timezone format. Custom date formats follow the formats at <a href="https://spark.apache.org/docs/latest/sql-ref-datetime-pattern.html">Datetime Patterns</a>. This applies to timestamp without timezone type, note that zone-offset and time-zone components are not supported when writing or reading this data type.</td>
     <td>read/write</td>
   </tr>
+  <tr>
+    <td><code>inferTimestamp</code></td>
+    <td><code>false</code></td>
+    <td>Allows inferring of <code>TimestampType</code> and <code>TimestampNTZType</code> from strings that match the timestamp patterns defined by the <code>timestampFormat</code> and <code>timestampNTZFormat</code> options respectively. JSON built-in functions ignore this option.</td>
+    <td>read</td>
+  </tr>
   <tr>
     <td><code>enableDateTimeParsingFallback</code></td>
     <td>Enabled if the time parser policy has legacy settings or if no custom date or timestamp pattern was provided.</td>