Cache component versions (#103408)

Looking up component versions through SPI should not change. This commit
captures the component versions of the running node once during startup,
rather than every time node info is called.

closes #102103

docs/changelog/103408.yaml

@@ -0,0 +1,6 @@
+pr: 103408
+summary: Cache component versions
+area: Infra/Core
+type: bug
+issues:
+ - 102103

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

@@ -62,6 +62,7 @@ public class NodeService implements Closeable {
     private final AggregationUsageService aggregationUsageService;
     private final Coordinator coordinator;
     private final RepositoriesService repositoriesService;
+    private final Map<String, Integer> componentVersions;
 
     NodeService(
         Settings settings,
@@ -100,6 +101,7 @@ public class NodeService implements Closeable {
         this.indexingPressure = indexingPressure;
         this.aggregationUsageService = aggregationUsageService;
         this.repositoriesService = repositoriesService;
+        this.componentVersions = findComponentVersions(pluginService);
         clusterService.addStateApplier(ingestService);
     }
 
@@ -122,7 +124,7 @@ public class NodeService implements Closeable {
             Version.CURRENT.toString(),
             TransportVersion.current(),
             IndexVersion.current(),
-            findComponentVersions(),
+            componentVersions,
             Build.current(),
             transportService.getLocalNode(),
             settings ? settingsFilter.filter(this.settings) : null,
@@ -140,7 +142,7 @@ public class NodeService implements Closeable {
         );
     }
 
-    private Map<String, Integer> findComponentVersions() {
+    private static Map<String, Integer> findComponentVersions(PluginsService pluginService) {
         var versions = pluginService.loadServiceProviders(ComponentVersionNumber.class)
             .stream()
             .collect(Collectors.toUnmodifiableMap(ComponentVersionNumber::componentId, cvn -> cvn.versionNumber().id()));