chore: update snap.manifest.json

Author: baptiste-marchand

packages/snap/snap.manifest.json

@@ -1,13 +1,13 @@
 {
-  "version": "1.5.0",
+  "version": "1.6.0",
   "description": "Manage Bitcoin using MetaMask",
   "proposedName": "Bitcoin",
   "repository": {
     "type": "git",
     "url": "https://github.com/MetaMask/snap-bitcoin-wallet.git"
   },
   "source": {
-    "shasum": "j9W3ulkpAGrL0lkkChX7wavGEY3qq6nCf4lQ0KmmF78=",
+    "shasum": "20qr0bPbsMAM34X4dbR3uspduvyMI1foPio0J65gtN8=",
     "location": {
       "npm": {
         "filePath": "dist/bundle.js",