Add rollback http API for replace_member

[yuwmao]

Rely on eBay/HomeStore#788

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 6.39731% with 278 lines in your changes missing coverage. Please review.
✅ Project coverage is 54.56%. Comparing base (1746bcc) to head (870601e).
⚠️ Report is 144 commits behind head on main.

Files with missing lines	Patch %	Lines
src/lib/homestore_backend/hs_pg_manager.cpp	10.48%	128 Missing ⚠️
src/lib/homestore_backend/hs_http_manager.cpp	0.00%	118 Missing ⚠️
src/lib/memory_backend/mem_pg_manager.cpp	0.00%	14 Missing ⚠️
src/lib/pg_manager.cpp	0.00%	10 Missing ⚠️
src/include/homeobject/pg_manager.hpp	36.36%	6 Missing and 1 partial ⚠️
...ib/homestore_backend/replication_state_machine.cpp	0.00%	1 Missing ⚠️
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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #334      +/-   ##
==========================================
- Coverage   63.15%   54.56%   -8.60%     
==========================================
  Files          32       35       +3     
  Lines        1900     4879    +2979     
  Branches      204      611     +407     
==========================================
+ Hits         1200     2662    +1462     
- Misses        600     1938    +1338     
- Partials      100      279     +179     

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[JacksonYao287]

LGTM