Add deployment file to change RewardsSource guardian (#2772)

* Add deployment file to change RewardsSource guardian

* Add proposal ID

Author: shahthepro

contracts/deploy/mainnet/167_change_rewards_source_strategist.js

@@ -0,0 +1,36 @@
+const { deploymentWithGovernanceProposal } = require("../../utils/deploy");
+const addresses = require("../../utils/addresses");
+
+module.exports = deploymentWithGovernanceProposal(
+  {
+    deployName: "167_change_rewards_source_strategist",
+    forceDeploy: false,
+    // forceSkip: true,
+    // reduceQueueTime: true,
+    deployerIsProposer: false,
+    proposalId:
+      "94269607648314023436956568233797971858375759818949315042916605004641910146597",
+  },
+  async () => {
+    // Current contracts
+    const xOGNRewardsSource = await ethers.getContractAt(
+      ["function setStrategistAddr(address) external"],
+      addresses.mainnet.OGNRewardsSource
+    );
+
+    // Governance Actions
+    // ----------------
+    return {
+      name: `Change Guardian address on the OGNRewardsSource contract
+
+We previously changed the Guardian on all Ethereum contracts to the new Multichain Guardian. This contract was missed out. This proposal addresses that so that we can deprecate the older Guardian multisig.`,
+      actions: [
+        {
+          contract: xOGNRewardsSource,
+          signature: "setStrategistAddr(address)",
+          args: [addresses.multichainStrategist],
+        },
+      ],
+    };
+  }
+);