(#295) Migrate codecov to codacy

[ryanw-mobile]

We currently submit unit test reports to both Codecov and Codacy.
Codecov has been problematic for a known long time.
It is now time to migrate for this project. If this goes well, we will entirely remove Codecov from all our projects.

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.21% (target: -1.00%)	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (86c79ab)	2566	1636	63.76%
Head commit (5c9583e)	2812 (+246)	1787 (+151)	63.55% (-0.21%)

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 (#296)	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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_{Codacy stopped sending the deprecated coverage status on June 5th, 2024. Learn more}