chore: Update sdk_metadata features (#1759)

Author: devin-ai-integration[bot]

.sdk_metadata.json

@@ -53,6 +53,7 @@
         "bootstrapping": { "introduced": "0.1" },
         "contexts": { "introduced": "0.1" },
         "experimentation": { "introduced": "0.1" },
+        "fdv2": { "introduced": "4.9" },
         "flagChanges": { "introduced": "0.1" },
         "hooks": { "introduced": "0.3" },
         "inlineContextCustomEvents": { "introduced": "0.3" },
@@ -118,6 +119,7 @@
         "bootstrapping": { "introduced": "10.13" },
         "contexts": { "introduced": "7.0" },
         "experimentation": { "introduced": "5.0" },
+        "fdv2": { "introduced": "10.19" },
         "flagChanges": { "introduced": "1.0" },
         "hooks": { "introduced": "10.0" },
         "multiEnv": { "introduced": "4.2.0" },
@@ -184,6 +186,7 @@
         "bootstrapping": { "introduced": "2.9.5" },
         "contexts": { "introduced": "3.0" },
         "experimentation": { "introduced": "2.9" },
+        "fdv2": { "introduced": "4.1.2" },
         "flagChanges": { "introduced": "2.9" },
         "hooks": { "introduced": "3.7" },
         "inlineContextCustomEvents": { "introduced": "4.0" },