tm2

feat: make tests run in parallel #1443

Job	Run time
build (1.20.x, amd64, linux, ./pkg/amino/cmd/aminoscan)	9s
test (1.20.x, _test.flappy)	28s
build (1.20.x, amd64, linux, ./pkg/amino/cmd/goscan)	9s
test (1.20.x, _test.pkg.amino)	3m 12s
build (1.20.x, amd64, linux, ./pkg/autofile/cmd)	11s
test (1.20.x, _test.pkg.bft)	2m 38s
build (1.20.x, amd64, linux, ./pkg/iavl/cmd/iaviewer)	12s
build (1.21.x, amd64, linux, ./pkg/amino/cmd/aminoscan)	5s
test (1.20.x, _test.pkg.others)	4m 49s
build (1.21.x, amd64, linux, ./pkg/amino/cmd/goscan)	6s
build (1.21.x, amd64, linux, ./pkg/autofile/cmd)	11s
test (1.21.x, _test.flappy)	39s
build (1.21.x, amd64, linux, ./pkg/iavl/cmd/iaviewer)	15s
test (1.21.x, _test.pkg.amino)	3m 5s
test (1.21.x, _test.pkg.bft)	2m 42s
test (1.21.x, _test.pkg.others)	2m 34s
upload-coverage	7s
	21m 32s

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