add coverage to workflow

[MP91]

No description provided.

[github-actions]

File	Coverage	Lines	Branches
All files	76%	86%	66%	❌
src/commands/exec/index.ts	79%	92%	66%	❌
src/commands/init/index.ts	76%	87%	65%	❌
src/commands/package/index.ts	88%	95%	80%	✅
src/modules/component.ts	84%	96%	73%	✅
src/modules/exec.ts	58%	65%	51%	❌
src/modules/package-downloader.ts	85%	96%	75%	✅
src/modules/package.ts	91%	92%	90%	✅
src/modules/project-cache.ts	83%	96%	71%	✅
src/modules/project-config.ts	82%	91%	73%	✅
src/modules/semver.ts	50%	64%	37%	❌
src/modules/setup.ts	24%	33%	15%	❌
src/modules/variables.ts	87%	94%	80%	✅

Minimum allowed coverage is 80%

Generated by 🐒 cobertura-action against 041817f

[kse3hi]

LGTM