chore(risedev): tune etcd configuration.

[zwang28]

What's changed and what's your intention?

Fix #3054.

Benchmark result of ./risedev d full in single machine:

• Etcd space quota is below 1.2GB.
• Etcd memory usage is below 10GB.

Checklist

• All checks passed in ./risedev check (or alias, ./risedev c)

Refer to a related PR or issue link (optional)

Close #3054

[codecov]

Codecov Report

Merging #3110 (d2449ac) into main (93a5670) will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #3110      +/-   ##
==========================================
- Coverage   73.55%   73.55%   -0.01%     
==========================================
  Files         736      736              
  Lines      101051   101053       +2     
==========================================
  Hits        74325    74325              
- Misses      26726    26728       +2     

Flag	Coverage Δ
rust	73.55% <0.00%> (-0.01%)	⬇️

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Impacted Files	Coverage Δ
src/risedevtool/src/task/etcd_service.rs	0.00% <0.00%> (ø)

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