build: add ncli_db necessary to generate ERA files

Part of effort to reduce disk usage of Nimbus nodes:
https://github.com/status-im/infra-nimbus/issues/98

Signed-off-by: Jakub Sokołowski <jakub@status.im>

templates/scripts/build.sh.j2

@@ -24,7 +24,7 @@ function buildBinaries() {
 {% endif %}
 
     make update OVERRIDE=1
-    make nimbus_beacon_node \
+    make nimbus_beacon_node ncli_db \
         LOG_LEVEL="{{ beacon_node_build_log_level }}" \
         NIMFLAGS="{{ beacon_node_build_nim_flags }}"