Overhaul test suite and GH CI workflow #35

Job	Run time
golangci-lint (1.23)	34s
Test with Codecov coverage (ubuntu-latest / 1.23)	2m 37s
Go vulnerabilities check	17s
Dependency review	19s
REUSE Compliance Check	15s
Test with SonarQube review (ubuntu-latest / 1.23)	3m 24s
Test on FreeBSD 14.0	2m 4s
Test on FreeBSD 13.4'	2m 23s
Test on FreeBSD 14.1	2m 13s
Test (macos-latest / 1.19)	26s
Test (macos-latest / 1.20)	27s
Test (macos-latest / 1.22)	25s
Test (macos-latest / 1.21)	20s
Test (macos-latest / 1.23)	22s
Test (ubuntu-latest / 1.19)	26s
Test (ubuntu-latest / 1.21)	19s
Test (ubuntu-latest / 1.20)	25s
Test (ubuntu-latest / 1.22)	20s
Test (ubuntu-latest / 1.23)	20s
Test (windows-latest / 1.19)	1m 10s
Test (windows-latest / 1.20)	1m 48s
Test (windows-latest / 1.21)	1m 40s
Test (windows-latest / 1.22)	1m 43s
Test (windows-latest / 1.23)	49s
	25m 6s

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