feat: update unseal api / 更新 unseal 的接口

[LinZexiao]

关联的Issues (Related Issues)

close filecoin-project/venus#5873

改动 (Proposed Changes)

附注 (Additional Info)

自查清单 (Checklist)

在你认为本 PR 满足被审阅的标准之前，需要确保 / Before you mark the PR ready for review, please make sure that:

• 符合Venus项目管理规范中关于PR的相关标准 / The PR follows the PR standards set out in the Venus project management guidelines
• 具有清晰明确的commit message / All commits have a clear commit message.
• 包含相关的的测试用例或者不需要新增测试用例 / This PR has tests for new functionality or change in behaviour or not need to add new tests.
• 包含相关的的指南以及文档或者不需要新增文档 / This PR has updated usage guidelines and documentation or not need
• 通过必要的检查项 / All checks are green

[codecov-commenter]

Codecov Report

Merging #314 (05566fb) into master (34c3e7e) will decrease coverage by 0.01%.
The diff coverage is 4.65%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #314      +/-   ##
==========================================
- Coverage   22.55%   22.54%   -0.01%     
==========================================
  Files         180      180              
  Lines       21030    21054      +24     
==========================================
+ Hits         4743     4747       +4     
- Misses      15513    15534      +21     
+ Partials      774      773       -1     

Flag	Coverage Δ
unittests	22.54% <4.65%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
dagstore/market_api.go	23.63% <0.00%> (+2.32%)	⬆️
piecestorage/filestore.go	47.00% <0.00%> (+3.07%)	⬆️
piecestorage/memstore.go	70.42% <0.00%> (ø)
piecestorage/s3.go	7.35% <0.00%> (+0.18%)	⬆️
rpc/piece_storage_server.go	24.24% <7.84%> (-15.76%)	⬇️

[simlecode]

lgtm