Fix ibc-packet test workflow for `CKB testnet <-> Axon alphanet`

[Flouse]

• fix(sudt-transfer-test): sudt-transfer from CKB to Axon first
• Fix the secret used in sudt-transfer

Test

sudt-transfer --config $SDK_CONFIG send --receiver $AXON_RECEIVER --amount $SUDT_AMOUNT --sudt yukun_li

# Result
port: 7cfb42568cd781e868e1c55d7612a0727f1d6afa25cbdac230b275563196c5c3
sent transaction 1295293d3663927b6cb6d8f91cd28645c4b0cab0f35e63002e578957779388e7
transaction committed 1295293d3663927b6cb6d8f91cd28645c4b0cab0f35e63002e578957779388e7
consuming ack
consuming packet ack
FungibleTokenPacketData { denom: "f2a14f50a56b9aab8e960cb1b2c7f1152d7523e6cacb45b1ab2a94acb83e0233", amount: 1000, sender: [194, 25, 53, 27, 21, 11, 144, 14, 80, 167, 3, 159, 30, 68, 139, 132, 65, 16, 146, 126], receiver: [243, 159, 214, 229, 26, 173, 136, 246, 244, 206, 106, 184, 130, 114, 121, 207, 255, 185, 34, 102] }
Packet { sequence: 11, source_port_id: "7cfb42568cd781e868e1c55d7612a0727f1d6afa25cbdac230b275563196c5c3", source_channel_id: "channel-0", destination_port_id: "transfer", destination_channel_id: "channel-8", data: [10, 64, 102, 50, 97, 49, 52, 102, 53, 48, 97, 53, 54, 98, 57, 97, 97, 98, 56, 101, 57, 54, 48, 99, 98, 49, 98, 50, 99, 55, 102, 49, 49, 53, 50, 100, 55, 53, 50, 51, 101, 54, 99, 97, 99, 98, 52, 53, 98, 49, 97, 98, 50, 97, 57, 52, 97, 99, 98, 56, 51, 101, 48, 50, 51, 51, 16, 232, 7, 26, 20, 194, 25, 53, 27, 21, 11, 144, 14, 80, 167, 3, 159, 30, 68, 139, 132, 65, 16, 146, 126, 34, 20, 243, 159, 214, 229, 26, 173, 136, 246, 244, 206, 106, 184, 130, 114, 121, 207, 255, 185, 34, 102], timeout_height: 0, timeout_timestamp: 0 }
sent transaction 82ac00133cda79f9b54583f422c71eb1e9b7d7648c3ab7a87f3a885623b93db9
transaction committed 82ac00133cda79f9b54583f422c71eb1e9b7d7648c3ab7a87f3a885623b93db9

-> https://pudge.explorer.nervos.org/transaction/0x1295293d3663927b6cb6d8f91cd28645c4b0cab0f35e63002e578957779388e7

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PR author checklist:

• [x] Added tests: integration (for Forcerelay) or unit/mock tests (for modules).

Reviewer checklist:

• [x] Manually tested