Decom some testnet chains and add BGBTC token

public/changelog.json

@@ -402,6 +402,36 @@
     }
   },
   "data": [
+    {
+      "category": "integration",
+      "date": "2026-05-12",
+      "description": "Newly supported tokens: BGBTC",
+      "relatedTokens": [
+        {
+          "assetName": "Bitget Wrapped BTC",
+          "baseAsset": "BGBTC",
+          "url": "https://docs.chain.link/ccip/directory/mainnet/token/BGBTC",
+          "iconUrl": "https://d2f70xi62kby8n.cloudfront.net/tokens/bgbtc.webp?auto=compress%2Cformat&q=60&w=40&h=40&fit=cover"
+        }
+      ],
+      "title": "Cross-chain token (CCT) standard: Added support for new tokens",
+      "topic": "CCIP"
+    },
+    {
+      "category": "deprecation",
+      "date": "2026-05-12",
+      "description": "CCIP is no longer supported on Berachain Bartio, Taiko Hekla, Kroma Sepolia, Memento Testnet, Treasure Topaz, and Etherlink Testnet.",
+      "title": "CCIP deprecated on Berachain Bartio, Taiko Hekla, Kroma Sepolia, Memento Testnet, Treasure Topaz, and Etherlink Testnet",
+      "topic": "CCIP",
+      "relatedNetworks": [
+        "berachain-testnet-bartio",
+        "ethereum-testnet-holesky-taiko-1",
+        "ethereum-testnet-sepolia-kroma-1",
+        "memento-testnet",
+        "treasure-testnet-topaz",
+        "etherlink-testnet"
+      ]
+    },
     {
       "category": "integration",
       "date": "2026-05-10",