miner: set sidecar version when recomputing proofs (#32199)

- If the block number is `osaka` fork and needs to recompute some `blob
proofs` to `cell proofs`, here also needs to set version to `1`.

miner/worker.go

@@ -440,6 +440,7 @@ func (miner *Miner) commitTransactions(env *environment, plainTxs, blobTxs *tran
 						}
 						sidecar.Proofs = append(sidecar.Proofs, cellProofs...)
 					}
+					sidecar.Version = 1
 				}
 			}
 		}