fix: use resolver 2 and full async-std for now

[dignifiedquire]

Fixes #21

[codecov-commenter]

Codecov Report

Merging #22 (7900b2c) into master (59214ba) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #22   +/-   ##
=======================================
  Coverage   80.83%   80.83%           
=======================================
  Files          11       11           
  Lines        2651     2651           
=======================================
  Hits         2143     2143           
  Misses        508      508           

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