Support 2 shards in 3 servers mode

Will be useful for CI testing only

Issue: ZENKO-4641

Author: williamlardier

solution-base/build.sh

@@ -32,6 +32,7 @@ SOLUTION_REGISTRY=metalk8s-registry-from-config.invalid/${PRODUCT_LOWERNAME}-${V
 MONGODB_SHARDED_SINGLE_NODE_PATH=${ISO_ROOT}/deploy/mongodb-sharded-1-node.yaml
 MONGODB_SHARDED_SINGLE_NODE_TWO_SHARDS_PATH=${ISO_ROOT}/deploy/mongodb-sharded-1-node-2-shards.yaml
 MONGODB_SHARDED_THREE_NODE_PATH=${ISO_ROOT}/deploy/mongodb-sharded-3-nodes.yaml
+MONGODB_SHARDED_THREE_NODE_TWO_SHARDS_PATH=${ISO_ROOT}/deploy/mongodb-sharded-3-nodes-2-shards.yaml
 MONGODB_SHARDED_THREE_NODE_THREE_SHARDS_PATH=${ISO_ROOT}/deploy/mongodb-sharded-3-nodes-3-shards.yaml
 MONGODB_SHARDED_SIX_NODE_PATH=${ISO_ROOT}/deploy/mongodb-sharded-6-nodes.yaml
 MONGODB_SHARDED_SIX_NODE_TWO_SHARDS_PATH=${ISO_ROOT}/deploy/mongodb-sharded-6-nodes-2-shards.yaml