chore: add scroll gasPrice override (#4701)

### Description

chore: add back the scroll gasPrice override

relayer's unaffected because we override that to 0.8 gwei

### Drive-by changes

update agent config

### Related issues

key funder :'(

### Backward compatibility

yes

### Testing

manual?

---------

Signed-off-by: pbio <10051819+paulbalaji@users.noreply.github.com>

rust/main/config/mainnet_config.json

@@ -2706,7 +2706,10 @@
       "validatorAnnounce": "0xd83A4F747fE80Ed98839e05079B1B7Fe037b1638",
       "staticMerkleRootWeightedMultisigIsmFactory": "0xcb0D04010584AA5244b5826c990eeA4c16BeAC8C",
       "staticMessageIdWeightedMultisigIsmFactory": "0x609707355a53d2aAb6366f48E2b607C599D26B29",
-      "technicalStack": "other"
+      "technicalStack": "other",
+      "transactionOverrides": {
+        "gasPrice": 200000000
+      }
     },
     "sei": {
       "aggregationHook": "0x40514BD46C57455933Be8BAedE96C4F0Ba3507D6",

typescript/infra/config/environments/mainnet3/chains.ts

@@ -31,6 +31,14 @@ export const chainMetadataOverrides: ChainMap<Partial<ChainMetadata>> = {
       gasPrice: 1 * 10 ** 9, // 1 gwei
     },
   },
+  scroll: {
+    transactionOverrides: {
+      // Scroll doesn't use EIP 1559 and the gas price that's returned is sometimes
+      // too low for the transaction to be included in a reasonable amount of time -
+      // this often leads to transaction underpriced issues.
+      gasPrice: 2 * 10 ** 8, // 0.2 gwei
+    },
+  },
   sei: {
     // Sei's `eth_feeHistory` is not to spec and incompatible with ethers-rs,
     // so we force legacy transactions by setting a gas price.

typescript/infra/config/environments/mainnet3/funding.ts

@@ -10,7 +10,7 @@ export const keyFunderConfig: KeyFunderConfig<
 > = {
   docker: {
     repo: 'gcr.io/abacus-labs-dev/hyperlane-monorepo',
-    tag: '6295693-20241017-095058',
+    tag: '436988a-20241017-151047',
   },
   // We're currently using the same deployer/key funder key as mainnet2.
   // To minimize nonce clobbering we offset the key funder cron