Bump polymesh-api to fix rust integration tests.

[Neopallium]

Fix rust integration tests.

[codecov[bot]]

Codecov Report

Merging #1522 (4fd52a4) into develop (4ec059b) will increase coverage by 0.00%. Report is 1 commits behind head on develop. The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #1522   +/-   ##
========================================
  Coverage    57.47%   57.48%           
========================================
  Files          141      141           
  Lines        30519    30519           
========================================
+ Hits         17541    17543    +2     
+ Misses       12978    12976    -2     

see 6 files with indirect coverage changes