feat: add jamba feb to model registry, edit jamba names

Author: miri-bar

fastchat/model/model_registry.py

@@ -133,7 +133,12 @@ def get_model_info(name: str) -> ModelInfo:
 )
 
 register_model_info(
-    ["jamba-1.5-large", "jamba-1.5-mini"],
+    [
+        "jamba-1.5-large-2024-08",
+        "jamba-1.5-mini-2024-08",
+        "jamba-1.5-large-2025-02",
+        "jamba-1.5-mini-2025-02",
+    ],
     "Jamba 1.5",
     "https://www.ai21.com/jamba",
     "Jamba by AI21 Labs",