Increase receive timeout in sdkconfig.ci to fix CI failures

examples/system/ota/advanced_https_ota/sdkconfig.ci

@@ -1,4 +1,4 @@
 CONFIG_EXAMPLE_FIRMWARE_UPGRADE_URL="FROM_STDIN"
 CONFIG_EXAMPLE_SKIP_COMMON_NAME_CHECK=y
 CONFIG_EXAMPLE_SKIP_VERSION_CHECK=y
-CONFIG_EXAMPLE_OTA_RECV_TIMEOUT=2000
+CONFIG_EXAMPLE_OTA_RECV_TIMEOUT=3000

examples/system/ota/native_ota_example/sdkconfig.ci

@@ -1,4 +1,4 @@
 CONFIG_EXAMPLE_FIRMWARE_UPG_URL="FROM_STDIN"
 CONFIG_EXAMPLE_SKIP_COMMON_NAME_CHECK=y
 CONFIG_EXAMPLE_SKIP_VERSION_CHECK=y
-CONFIG_EXAMPLE_OTA_RECV_TIMEOUT=2000
+CONFIG_EXAMPLE_OTA_RECV_TIMEOUT=3000