wifi: rtw89: coex: Update Wi-Fi/Bluetooth coexistence version to 7.0.3

Refine the TWS Bluetooth related coexistence mechanism.

Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250205013233.10945-4-pkshih@realtek.com