Bump desired AVAX balance (#3068)

### Description

Avalanche is like 5x more expensive now, see relayer txs
https://snowtrace.io/address/0x74Cae0ECC47B02Ed9B9D32E000Fd70B9417970C5.
A single funding of 0.3 is only enough to cover like 2 messages

### Drive-by changes

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### Related issues

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- Fixes #[issue number here]
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### Backward compatibility

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### Testing

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

@@ -9,7 +9,7 @@ import { environment } from './chains';
 export const keyFunderConfig: KeyFunderConfig = {
   docker: {
     repo: 'gcr.io/abacus-labs-dev/hyperlane-monorepo',
-    tag: 'b86ebc1-20231207-123951',
+    tag: 'f6da03e-20231216-141949',
   },
   // We're currently using the same deployer key as mainnet.
   // To minimize nonce clobbering we offset the key funder cron

typescript/infra/config/environments/testnet4/funding.ts

@@ -9,7 +9,7 @@ import { environment } from './chains';
 export const keyFunderConfig: KeyFunderConfig = {
   docker: {
     repo: 'gcr.io/abacus-labs-dev/hyperlane-monorepo',
-    tag: 'b86ebc1-20231207-123951',
+    tag: 'f6da03e-20231216-141949',
   },
   // We're currently using the same deployer key as testnet2.
   // To minimize nonce clobbering we offset the key funder cron

typescript/infra/scripts/funding/fund-keys-from-deployer.ts

@@ -123,7 +123,7 @@ const RC_FUNDING_DISCOUNT_DENOMINATOR = ethers.BigNumber.from(10);
 const desiredBalancePerChain: ChainMap<string> = {
   celo: '0.3',
   alfajores: '1',
-  avalanche: '0.3',
+  avalanche: '3',
   fuji: '1',
   ethereum: '0.5',
   polygon: '2',