[nrf fromlist] snippets: wifi-enterprise: Resize data heap to fix RAM overflow

Inclusion of CONFIG_WIFI_SHELL_RUNTIME_CERTIFICATES causes build time
RAM overflow issues. Decrease NRF_WIFI_DATA_HEAP_SIZE to accommodate
the RUNTIME_CERTIFICATES feature.
Fixes SHEL-3600.

Upstream PR #:88861

Signed-off-by: Ravi Dondaputi <ravi.dondaputi@nordicsemi.no>

Author: rado17

snippets/wifi-enterprise/wifi-enterprise.conf

@@ -23,3 +23,5 @@ CONFIG_TLS_CREDENTIALS=y
 CONFIG_TLS_CREDENTIALS_SHELL_CRED_BUF_SIZE=8192
 CONFIG_TLS_MAX_CREDENTIALS_NUMBER=6
 CONFIG_HEAP_MEM_POOL_ADD_SIZE_TLS_CRED_SHELL=9000
+CONFIG_NRF_WIFI_DATA_HEAP_SIZE=100000
+CONFIG_HEAP_MEM_POOL_IGNORE_MIN=n