chore: use monocart-coverage-reports

[mrazauskas]

Let’s use monocart-coverage-reports to process V8 coverage data.

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -1.00% (target: -1.00%)	✅ ∅ (target: 85.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (2e693b6)	5889	5763	97.86%
Head commit (ac6cf25)	4782 (-1107)	4632 (-1131)	96.86% (-1.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#228)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[mrazauskas]

It is worth to wait for codacy/codacy-coverage-reporter#506