chore(main): release 0.9.0

[ijsong]

🤖 I have created a release beep boop

0.9.0 (2022-12-14)

Features

• benchmark: add --print-json to print benchmark result as JSON (abf8a5a), closes #257
• benchmark: add save command to benchmark (25ecb80), closes #257
• benchmark: add a test command to the benchmark tool (0e08249), closes #257
• benchmark: add initdb command to initialize benchmark database (9d115eb), closes #264
• client,storagenode: remove Head and Tail from proto/varlogpb.(LogStreamDescriptor) (57161c8), closes #73

Bug Fixes

• storagenode: fix concurrency bugs of settings for storage and executor (fdd1781), closes #262

---

This PR was generated with Release Please. See documentation.

[codecov-commenter]

Codecov Report

Base: 63.22% // Head: 63.23% // Increases project coverage by +0.01% 🎉

Coverage data is based on head (9e42ad9) compared to base (ff70037).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #259      +/-   ##
==========================================
+ Coverage   63.22%   63.23%   +0.01%     
==========================================
  Files         130      130              
  Lines       17360    17360              
==========================================
+ Hits        10975    10978       +3     
+ Misses       5832     5830       -2     
+ Partials      553      552       -1     

Impacted Files	Coverage Δ
internal/storagenode/logstream/executor.go	79.67% <0.00%> (-1.82%)	⬇️
internal/storagenode/storagenode.go	69.46% <0.00%> (-0.34%)	⬇️
internal/metarepos/report_collector.go	77.42% <0.00%> (ø)
internal/metarepos/storage.go	79.14% <0.00%> (+0.22%)	⬆️
internal/storagenode/replication_server.go	81.35% <0.00%> (+2.54%)	⬆️
pkg/mrc/mrconnector/mr_connector.go	75.95% <0.00%> (+2.67%)	⬆️

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[ijsong]

🤖 Release is at https://github.com/kakao/varlog/releases/tag/v0.9.0 🌻