wip: codecov 2 #20

Job	Run time
build (1.20.x, GOARCH=amd64 GOOS=linux, gno)	37s
build (1.20.x, GOARCH=wasm GOOS=js, gno)	33s
test (1.20.x, _test.cmd)	1m 27s
build (1.21.x, GOARCH=amd64 GOOS=linux, gno)	32s
test (1.20.x, _test.pkg)	1m 6s
build (1.21.x, GOARCH=wasm GOOS=js, gno)	39s
test (1.20.x, _test.gnolang.native)	56s
test (1.20.x, _test.gnolang.stdlibs)	1m 24s
test (1.20.x, _test.gnolang.realm)	52s
test (1.20.x, _test.gnolang.pkg0)	2m 10s
test (1.20.x, _test.gnolang.pkg1)	7m 55s
test (1.20.x, _test.gnolang.pkg2)	7m 24s
test (1.20.x, _test.gnolang.other)	45s
test (1.21.x, _test.cmd)	1m 20s
test (1.21.x, _test.pkg)	1m 28s
test (1.21.x, _test.gnolang.native)	1m 2s
test (1.21.x, _test.gnolang.stdlibs)	2m 9s
test (1.21.x, _test.gnolang.realm)	1m 4s
test (1.21.x, _test.gnolang.pkg0)	2m 11s
test (1.21.x, _test.gnolang.pkg1)	7m 54s
test (1.21.x, _test.gnolang.pkg2)	5m 32s
test (1.21.x, _test.gnolang.other)	52s
upload-coverage-artifact	3s
	49m 55s

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