Upgrade simplecov to version 0.21.2

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👉 This PR is queued up to get rebased by Depfu

Here is everything you need to know about this upgrade. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ simplecov (~> 0.16.1 → ~> 0.21.2) · Repo · Changelog

Release Notes

0.21.2

Bugfixes

• maximum_coverage_drop won't fail any more if .last_run.json is still in the old format. Thanks @petertellgren
• maximum_coverage_drop won't fail if an expectation is specified for a previous unrecorded criterion, it will just pass (there's nothing, so nothing to drop)
• fixed bug in maximum_coverage_drop calculation that could falsely report it had dropped for minimal differences

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 5 commits:

• prep 0.21.2 release
• More exit code check specs
• More thorough maximum coverage drop specs + fixes
• reformat and reformulate some cukes
• Bugfix maximum coverage drop with old .last_run file

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[depfu]

Closed in favor of #132.