Adding dsETH (#25)

* Added dsETH to CowSwap.json token list

* Added dsETH img: 0x341c05c0E9b33C0E38d64de76516b2Ce970bB3BE

* Bumping list version to 1.3.0

Author: alfetopito

src/public/CowSwap.json

@@ -3,8 +3,8 @@
   "timestamp": "2022-12-15T19:00:00+00:00",
   "version": {
     "major": 1,
-    "minor": 2,
-    "patch": 1
+    "minor": 3,
+    "patch": 0
   },
   "logoURI": "https://gnosis.mypinata.cloud/ipfs/Qme9B6jRpGtZsRFcPjHvA5T4ugFuL4c3SzWfxyMPa59AMo",
   "keywords": [
@@ -476,6 +476,14 @@
       "decimals": 18,
       "chainId": 1,
       "logoURI": "https://gateway.pinata.cloud/ipfs/QmcBPqkGYc7c1HNekQp98uk5mHSpbgc83kw4VcLcgR2utL"
+    },
+    {
+      "symbol": "dsETH",
+      "name": "Diversified Staked ETH Index (dsETH)",
+      "address": "0x341c05c0E9b33C0E38d64de76516b2Ce970bB3BE",
+      "decimals": 18,
+      "chainId": 1,
+      "logoURI": "https://gateway.pinata.cloud/ipfs/QmQdY1CaAUJ1xLeR7tHLbDmH5q2cKoXDaC99KUZVJ6MtxU"
     }
   ]
 }