test(fast-inbox): carry bucketHint in archiver propose-calldata fixtures (A-1384)

The L1 ProposeArgs gained bucketHint at the flip; the archiver's fake L1
state and calldata-retriever fixtures must encode it too.

Author: spalladino

yarn-project/archiver/src/l1/calldata_retriever.test.ts

@@ -140,6 +140,7 @@ describe('CalldataRetriever', () => {
           archive,
           oracleInput: { feeAssetPriceModifier: BigInt(0) },
           header: viemHeader,
+          bucketHint: 0n,
         },
         attestations,
         signers,
@@ -368,6 +369,7 @@ describe('CalldataRetriever', () => {
             archive,
             oracleInput: { feeAssetPriceModifier },
             header,
+            bucketHint: 0n,
           },
           attestations,
           [], // signers

yarn-project/archiver/src/test/fake_l1_state.ts

@@ -746,6 +746,7 @@ export class FakeL1State {
           header,
           archive,
           oracleInput: { feeAssetPriceModifier: 0n },
+          bucketHint: 0n,
         },
         verbatimAttestations,
         attestationsAndSigners.getSigners().map(signer => signer.toString()),