Revert non-semantic NodeInfo (#102636)

docs/changelog/102636.yaml

@@ -0,0 +1,5 @@
+pr: 102636
+summary: Revert non-semantic `NodeInfo`
+area: Infra/Core
+type: regression
+issues: []

server/src/main/java/org/elasticsearch/node/NodeService.java

@@ -10,6 +10,7 @@ package org.elasticsearch.node;
 
 import org.elasticsearch.Build;
 import org.elasticsearch.TransportVersion;
+import org.elasticsearch.Version;
 import org.elasticsearch.action.admin.cluster.node.info.ComponentVersionNumber;
 import org.elasticsearch.action.admin.cluster.node.info.NodeInfo;
 import org.elasticsearch.action.admin.cluster.node.stats.NodeStats;
@@ -117,7 +118,8 @@ public class NodeService implements Closeable {
         boolean indices
     ) {
         return new NodeInfo(
-            Build.current().version(),
+            // TODO: revert to Build.current().version() when Kibana is updated
+            Version.CURRENT.toString(),
             TransportVersion.current(),
             IndexVersion.current(),
             findComponentVersions(),