chore: Update sdk_metadata features (#400)

Author: jsonbailey

.sdk_metadata.json

@@ -7,7 +7,39 @@
       "languages": [
         "Python"
       ],
-      "userAgents": ["PythonClient"]
+      "userAgents": ["PythonClient"],
+      "features": {
+        "allFlags": { "introduced": "2.0" },
+        "appMetadata": { "introduced": "7.6" },
+        "bigSegments": { "introduced": "7.3" },
+        "contexts": { "introduced": "8.0" },
+        "eventCompression": { "introduced": "9.5" },
+        "experimentation": { "introduced": "7.2" },
+        "fdv2": { "introduced": "9.13" },
+        "fileDataSource": { "introduced": "6.6" },
+        "flagChanges": { "introduced": "9.1" },
+        "hooks": { "introduced": "9.4" },
+        "inlineContextCustomEvents": { "introduced": "9.10" },
+        "inlineContextEvaluationEvents": { "introduced": "9.3" },
+        "migrations": { "introduced": "9.0" },
+        "offlineMode": { "introduced": "2.0" },
+        "omitAnonContexts": { "introduced": "9.7" },
+        "otel": { "introduced": "9.4" },
+        "pluginSupport": { "introduced": "9.12" },
+        "pollingResponseCompression": { "introduced": "9.2" },
+        "privateAttrs": { "introduced": "4.1" },
+        "relayProxyDaemon": { "introduced": "2.0" },
+        "relayProxyProxy": { "introduced": "2.0" },
+        "secureMode": { "introduced": "2.0" },
+        "storingData": { "introduced": "2.0" },
+        "storingDataConsul": { "introduced": "2.0" },
+        "storingDataDynamodb": { "introduced": "6.7" },
+        "storingDataRedis": { "introduced": "2.0" },
+        "testDataSource": { "introduced": "7.4" },
+        "track": { "introduced": "2.0" },
+        "variationDetail": { "introduced": "6.4" },
+        "webProxy": { "introduced": "2.0" }
+      }
     }
   }
 }