chore(params): update TestnetV2Configs

[gzliudan]

Proposed changes

fix sync error:

ERROR[06-29|15:54:40.032]
########## BAD BLOCK #########
Version: 2.7.0-devnet
Commit: ed055c62fa1322852deb0382392ad42803af7c8f
Number: 83577112
Hash: 0x1806f6d445afdc322b699aee2cfcab1331ea099601e8e822435bee267fba0d86
Round: 27360000
Error: validators does not match what's stored in snapshot minus its penalty
Chain configuration:
  - ChainID:                     51
  - Homestead:                   1
  - DAO Fork:                    <nil>
  - DAO Support:                 false
  - TIP2019:                     1
  - Tangerine Whistle (EIP 150): 2
  - Spurious Dragon (EIP 155):   3
  - Byzantium:                   4
  - Constantinople:              <nil>
  - Petersburg:                  <nil>
  - Istanbul:                    <nil>
  - TIPSigning:                  3000000
  - TIPRandomize:                3464000
  - TIPIncreaseMasternodes:      5000000
  - Denylist:                    23779191
  - TIPNoHalvingMNReward:        23779191
  - TIPXDCX:                     23779191
  - TIPXDCXLending:              23779191
  - TIPXDCXCancellationFee:      23779191
  - TIPTRC21Fee:                 23779191
  - Berlin:                      61290000
  - London:                      61290000
  - Merge:                       61290000
  - Shanghai:                    61290000
  - Gas50x:                      56828700
  - TIPXDCXMinerDisable:         61290000
  - TIPXDCXReceiverDisable:      66825000
  - EIP1559:                     71550000
  - Cancun:                      71551800
  - Prague:                      <nil>
  - Osaka:                       <nil>
  - DynamicGasLimit:             <nil>
  - TIPUpgradeReward:            <nil>
  - TIPUpgradePenalty:           <nil>
  - TIPEpochHalving:             <nil>
  - TRC21IssuerSMC:              0x0E2C88753131CE01c7551B726b28BFD04e44003F
  - XDCXListingSMC:              0x14B2Bf043b9c31827A472CE4F94294fE9a6277e0
  - RelayerRegistrationSMC:      0xA1996F69f47ba14Cb7f661010A7C31974277958c
  - LendingRegistrationSMC:      0x28d7fC2Cf5c18203aaCD7459EFC6Af0643C97bE8
  - Engine:                      XDPoS
    - Period: 2
    - Epoch: 900
    - Reward: 5000
    - RewardCheckpoint: 900
    - Gap: 450
    - MaxMasternodesV2: 15
    - FoundationWalletAddr: xdc746249C61f5832C5eEd53172776b460491bDcd5C
    - SkipV1Validation: false
    - V2:
      - SwitchEpoch: 63143
      - SwitchBlock: 56828700
      - CurrentConfig:
        - MaxMasternodes: 108
        - SwitchRound: 15000000
        - MinePeriod: 2
        - TimeoutSyncThreshold: 3
        - TimeoutPeriod: 10
        - CertThreshold: 0.667
        - MasternodeReward: 0
        - ProtectorReward: 0
        - ObserverReward: 0
        - MinimumMinerBlockPerEpoch: 0
        - LimitPenaltyEpoch: 0
        - MinimumSigningTx: 0
        - ExpTimeoutBase: 1
        - ExpTimeoutMaxExponent: 0
Receipts:
##############################

WARN [06-29|15:54:40.032] Synchronisation failed, dropping peer    peer=12496e978c3c54bf err="retrieved hash chain is invalid: validators does not match what's stored in snapshot minus its penalty"

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What types of changes does your code introduce to XDC network?
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• build: Changes that affect the build system or external dependencies
• ci: Changes to CI configuration files and scripts
• chore: Changes that don't change source code or tests
• docs: Documentation only changes
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• fix: A bug fix
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• Tested on a private network from the genesis block and monitored the chain operating correctly for multiple epochs.
• Provide an end-to-end test plan in the PR description on how to manually test it on the devnet/testnet.
• Tested the backwards compatibility.
• Tested with XDC nodes running this version co-exist with those running the previous version.
• Relevant documentation has been updated as part of this PR
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[benjamin202410]

let's remove this one to align with current release version