samples: matter: light_switch: Disable WPA3 for some configurations

Disable WPA3 for persistent subscriptions configuration due to FLASH
usage.

Signed-off-by: Adrian Gielniewski <[email protected]>

Author: adigie

samples/matter/light_switch/sample.yaml

@@ -53,7 +53,7 @@ tests:
   sample.matter.light_switch.persistent_subscriptions:
     sysbuild: true
     build_only: true
-    extra_args: CONFIG_CHIP_PERSISTENT_SUBSCRIPTIONS=y
+    extra_args: CONFIG_CHIP_PERSISTENT_SUBSCRIPTIONS=y CONFIG_WIFI_NM_WPA_SUPPLICANT_WPA3=n
     platform_allow: nrf52840dk/nrf52840 nrf5340dk/nrf5340/cpuapp nrf7002dk/nrf5340/cpuapp
       nrf54l15dk/nrf54l15/cpuapp
     integration_platforms: