feat: regenerate index files

Author: yoshi-automation

discovery/fcm-v1.json

@@ -146,7 +146,7 @@
       }
     }
   },
-  "revision": "20250722",
+  "revision": "20260123",
   "rootUrl": "https://fcm.googleapis.com/",
   "schemas": {
     "AndroidConfig": {
@@ -527,6 +527,7 @@
           "description": "Input only. Basic notification template to use across all platforms."
         },
         "token": {
+          "deprecated": true,
           "description": "Registration token to send a message to.",
           "type": "string"
         },

discovery/firebaseml-v2beta.json

@@ -206,7 +206,7 @@
       }
     }
   },
-  "revision": "20260111",
+  "revision": "20260128",
   "rootUrl": "https://firebaseml.googleapis.com/",
   "schemas": {
     "Date": {
@@ -1250,11 +1250,13 @@
           "enum": [
             "TRAFFIC_TYPE_UNSPECIFIED",
             "ON_DEMAND",
+            "ON_DEMAND_FLEX",
             "PROVISIONED_THROUGHPUT"
           ],
           "enumDescriptions": [
             "Unspecified request traffic type.",
             "The request was processed using Pay-As-You-Go quota.",
+            "Type for Flex traffic.",
             "Type for Provisioned Throughput traffic."
           ],
           "readOnly": true,