Add missing password to armada-lma manifest

This adds the password for the mariadb sst user to the armada-lma
manifest, as it was previously missed

Change-Id: I8768569fff96bf15cb4b2a577a0f667972fda886

tools/deployment/armada/generate-osh-infra-passwords.sh

@@ -22,6 +22,7 @@ passwords="ELASTICSEARCH_ADMIN_PASSWORD \
     GRAFANA_SESSION_DB_PASSWORD \
     MARIADB_ADMIN_PASSWORD \
     MARIADB_EXPORTER_PASSWORD \
+    MARIADB_SST_PASSWORD \
     NAGIOS_ADMIN_PASSWORD \
     PROMETHEUS_ADMIN_PASSWORD \
     RADOSGW_S3_ADMIN_ACCESS_KEY \

tools/deployment/armada/manifests/armada-lma.yaml

@@ -246,6 +246,8 @@ data:
             password: ${MARIADB_ADMIN_PASSWORD}
           exporter:
             password: ${MARIADB_EXPORTER_PASSWORD}
+          sst:
+            password: ${MARIADB_SST_PASSWORD}
   source:
     type: local
     location: ${OSH_INFRA_PATH}