[Update Snap] Linea Voyager

[Montoya]

Checklist

All items in the list below needs to be satisfied.

• Is the summary of the change documented in this ticket?
• Has a MetaMask Snaps team member reviewed whether the changes need to be vetted?
• If there are changes that need to be vetted, attach a description and the relevant fixes/remediations to this issue.
• The corresponding pull request in this repo has been merged.

[Montoya]

This update changes the RPC permission to use the companion dapp only and adds the initialConnections permission to privilege that dapp to have an immediate connection:

  "initialConnections": {
    "https://voyager-snap.linea.build": {}
  },
  "initialPermissions": {
    "endowment:page-home": {},
    "endowment:network-access": {},
    "endowment:rpc": {
      "allowedOrigins": [
        "voyager-snap.linea.build"
      ]
    },

The new version is 0.7.0