fix: use args.Input to accept any type args

[RasPhilCo]

Closes oclif/oclif#337

[codecov]

Codecov Report

Merging #89 into master will decrease coverage by 67.70%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #89       +/-   ##
==========================================
- Coverage   67.70%   0.00%   -67.71%     
==========================================
  Files           5       1        -4     
  Lines         161      10      -151     
  Branches       35       2       -33     
==========================================
- Hits          109       0      -109     
+ Misses         36      10       -26     
+ Partials       16       0       -16     

Impacted Files	Coverage Δ
src/index.ts	0.00% <0.00%> (-35.72%)	⬇️
src/main.ts
src/util.ts
src/flags.ts

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[ArlonAntonius]

Hi @RasPhilCo,

Any idea on when you're going to push this through? :)