Add Celo Sepolia + update Celo (#7543)

* update celo with new block explorer and L2 data

* add celo sepolia

* fix block explorer and parent chain

---------

Co-authored-by: Victoria <[email protected]>

Author: aaronmgdr

_data/chains/eip155-11142220.json

@@ -0,0 +1,34 @@
+{
+  "name": "Celo Sepolia Testnet",
+  "chainId": 11142220,
+  "shortName": "celo-sep",
+  "chain": "CELO",
+  "networkId": 11142220,
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
+  "slip44": 60,
+  "nativeCurrency": {
+    "name": "CELO-S",
+    "symbol": "CELO",
+    "decimals": 18
+  },
+  "parent": {
+    "type": "L2",
+    "chain": "eip155-11155111",
+    "bridges": [
+      {
+        "url": "https://superbridge.app/?fromChainId=11155111&toChainId=11142220"
+      }
+    ]
+  },
+  "rpc": ["https://forno.celo-sepolia.celo-testnet.org"],
+  "faucets": ["https://faucet.celo.org"],
+  "infoURL": "https://docs.celo.org",
+  "explorers": [
+    {
+      "name": "Celo Sepolia Explorer",
+      "url": "https://celo-sepolia.blockscout.com",
+      "icon": "blockscout",
+      "standard": "EIP3091"
+    }
+  ]
+}

_data/chains/eip155-42220.json

@@ -12,6 +12,11 @@
   "rpc": ["https://forno.celo.org", "wss://forno.celo.org/ws"],
   "faucets": [],
   "infoURL": "https://docs.celo.org/",
+  "parent": {
+    "type": "L2",
+    "chain": "eip155-1",
+    "bridges": [{ "url": "https://superbridge.app/celo" }]
+  },
   "explorers": [
     {
       "name": "Celoscan",
@@ -20,8 +25,8 @@
     },
     {
       "name": "blockscout",
-      "url": "https://explorer.celo.org",
-      "standard": "none"
+      "url": "https://celo.blockscout.com",
+      "standard": "EIP3091"
     }
   ]
 }