Update WebTwain_Acquire.md

Author: lunaaaw

info/api/WebTwain_Acquire.md

@@ -1017,7 +1017,7 @@ SetOpenSourceTimeout(duration: number): boolean;
 <td align="center">v11.0+ </td>
 <td align="center">v11.0+</td>
 <td align="center">v11.0+ </td>
-<td align="center">not supported </td>
+<td align="center">v12.1+ </td>
 <td align="center">not supported </td>
 </tr>