wifi: rtw89: mcc: enlarge scan time of GC when GO in MCC

In original scan, the scan time only 45ms. The GO in MCC mode only
stay 50ms and switch to STA role 50ms, which might cause GC can't scan
GO. Therefore, enlarge scan time to 105ms to ensure GC have time
overlapping with GO.

Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250610130034.14692-9-pkshih@realtek.com