update to 0.4.0

[wangfenjin]

Change-Id: I92469d9c5de919525dd6d4f07fbc99839724d5b3

[codecov]

Codecov Report

Merging #60 (2630649) into main (ab4c570) will decrease coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #60      +/-   ##
==========================================
- Coverage   76.11%   76.08%   -0.04%     
==========================================
  Files          25       25              
  Lines        2495     2500       +5     
==========================================
+ Hits         1899     1902       +3     
- Misses        596      598       +2     

Impacted Files	Coverage Δ
src/types/from_sql.rs	77.84% <100.00%> (-0.59%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update ab4c570...2630649. Read the comment docs.