chore: Add hooks, perContextSummaryEvents and update bigSegments/experimentation versions

Co-Authored-By: Aaron Zeisler <azeisler@launchdarkly.com>

Author: devin-ai-integration[bot]

.sdk_metadata.json

@@ -14,11 +14,13 @@
       "features": {
         "allFlags": { "introduced": "2.9" },
         "appMetadata": { "introduced": "2.26" },
-        "bigSegments": { "introduced": "1.0" },
+        "bigSegments": { "introduced": "2.9" },
         "bootstrapping": { "introduced": "2.9.5" },
         "contexts": { "introduced": "3.0" },
-        "experimentation": { "introduced": "1.0" },
+        "experimentation": { "introduced": "2.9" },
         "flagChanges": { "introduced": "2.9" },
+        "hooks": { "introduced": "3.7" },
+        "perContextSummaryEvents": { "introduced": "3.8" },
         "pluginSupport": { "introduced": "3.7" },
         "privateAttrs": { "introduced": "2.9" },
         "relayProxyProxy": { "introduced": "2.20.2" },