test: sqlness upgrade compatiblity tests

[discord9]

I hereby agree to the terms of the GreptimeDB CLA.

Refer to a related PR or issue link (optional)

What's changed and what's your intention?

Add a way to test inter-version compatibility in sqlness

Please explain IN DETAIL what the changes are in this PR and why they are needed:

• add a -- SQLNESS ARG version=v0.x.x which will restart greptime from given binary in a directory
• add a simple poc sqlness test, to run those tests
• add ability to pull different version binary from github release when encounter version=xxx, default to pull, but can set to not pull and manually download it.
• more sqlness tests can be added later in separate PR to prevent bloat
• add ability to setup a standalone etcd for metasrv metadata storage so restarting metasrv wouldn't clean up metadata

to playaround with this test, run:

cargo sqlness -c $(pwd)/tests/upgrade-compat --setup-etcd 

(make sure to use absolute path for case dir, the -c option, can also add --preserve-state to look into /tmp/sqlness*****/greptime-sqlness-standalone.log to make sure it actually switched version, note this require docker and create a etcd docker container for metadata storage during testing)

Summary

• How does this PR work? Need a brief introduction for the changed logic (optional)
  Basically just restart greptime using another binary
• Describe any limitations of the current code (optional)
  Well this can't currently test http api, but I intended to add ability to invoke bash in sqlness tests,
  so one can just call curl in sqlness tests

Checklist

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.
• This PR requires documentation updates.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.80%. Comparing base (03a2832) to head (e57b22d).
Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5126      +/-   ##
==========================================
- Coverage   84.04%   83.80%   -0.24%     
==========================================
  Files        1168     1169       +1     
  Lines      217620   217738     +118     
==========================================
- Hits       182896   182483     -413     
- Misses      34724    35255     +531