chore(chains): update chains (#2546)

Co-authored-by: GitHub Action <action@github.com>

Author: github-actions[bot]

packages/chains/chains/1003.ts

@@ -6,7 +6,13 @@ export default {
     {
       "name": "Tectum explorer",
       "url": "https://explorer.tectum.io",
-      "standard": "EIP3091"
+      "standard": "EIP3091",
+      "icon": {
+        "url": "ipfs://QmYvFVprVdAGJH4iHUCXGEmy7pq8MMfxEjM64SuXutz9qx",
+        "width": 256,
+        "height": 256,
+        "format": "png"
+      }
     }
   ],
   "faucets": [],

packages/chains/chains/66988.ts

@@ -10,6 +10,12 @@ export default {
     }
   ],
   "faucets": [],
+  "icon": {
+    "url": "ipfs://bafkreifc3vnwf4hj3bo6fg4u5qlqmjgajjgezyeg236qjcihl4ha42siuq",
+    "width": 819,
+    "height": 792,
+    "format": "png"
+  },
   "infoURL": "https://janus-network.gitbook.io/janus",
   "name": "Janus Testnet",
   "nativeCurrency": {