Adjust SUDO balance before runtime upgrade against a fork

NOTES:
- Alice is still the sudo account for the fork, however balances aren't
  updated by creditcoin-fork
- on Creditcoin 3 Testnet Alice has a very low balance b/c it isn't
  the sudo account in prod

.github/workflows/runtime-upgrade.yml

@@ -396,6 +396,8 @@ jobs:
         working-directory: cli
         run: |
           node dist/scripts/runtimeUpgrade.js ws://127.0.0.1:9944  ../creditcoin3_runtime.compact.compressed.wasm //Alice 0
+        env:
+          NEW_SUDO_BALANCE: 3000000000000000000
 
       - name: Execute blockchain integration tests
         working-directory: ./cli

cli/src/scripts/runtimeUpgrade.ts

@@ -53,6 +53,12 @@ async function doRuntimeUpgrade(
         // test/integration-tests/helpers.ts::initAlithKeyring() for the devel mnemonic
         const keyring = initKeyringPair(sudoKeyUri);
 
+        if (process.env.NEW_SUDO_BALANCE !== undefined) {
+            await api.tx.sudo
+                .sudo(api.tx.balances.forceSetBalance(keyring.address, process.env.NEW_SUDO_BALANCE))
+                .signAndSend(keyring, { nonce: -1 });
+        }
+
         const { specVersion } = api.runtimeVersion;
 
         let needsUpgrade = true;