chore: Pass GitHub environment variables to testenv:cov #74

Job	Run time
lint	1m 24s
build-package	44s
run-coverage (3.10, macos-latest)	52s
run-coverage (3.10, windows-latest)	1m 20s
run-coverage (3.10, ubuntu-latest)	1m 39s
unit-test (3.10, macos-latest)	43s
unit-test (3.10, ubuntu-latest)	1m 12s
unit-test (3.10, windows-latest)	1m 17s
unit-test (3.11, macos-latest)	30s
unit-test (3.11, ubuntu-latest)	1m 47s
unit-test (3.12, macos-latest)	29s
unit-test (3.12, ubuntu-latest)	1m 14s
unit-test (3.12, windows-latest)	1m 22s
unit-test (3.7, ubuntu-latest)	1m 58s
unit-test (3.7, windows-latest)	1m 17s
unit-test (3.8, macos-latest)	56s
unit-test (3.8, ubuntu-latest)	2m 3s
unit-test (3.8, windows-latest)	1m 12s
unit-test (3.9, macos-latest)	45s
unit-test (3.9, ubuntu-latest)	1m 18s
unit-test (pypy-3.10, macos-latest)	53s
unit-test (3.9, windows-latest)	1m 11s
unit-test (pypy-3.10, ubuntu-latest)	2m 3s
unit-test (pypy-3.10, windows-latest)	2m 7s
publish-package	25s
sign-package	20s
upload-coverage	53s
	31m 54s

Provide feedback