Release 0.31.0

[taiki-e]

Changes:

• https://github.com/openrr/k/pull/127
• https://github.com/openrr/k/pull/123

[codecov[bot]]

Codecov Report

Merging #128 (ccee7d6) into main (4a0187c) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #128   +/-   ##
=======================================
  Coverage   66.51%   66.51%           
=======================================
  Files          13       13           
  Lines        1571     1571           
  Branches     1571     1571           
=======================================
  Hits         1045     1045           
  Misses        495      495           
  Partials       31       31