gnovm

fix: use docker buildx on ci to support multiple arch #4560

Job	Run time
build (1.21.x, GOARCH=amd64 GOOS=linux, gno)	28s
test (1.21.x, _test.cmd)	1m 25s
build (1.21.x, GOARCH=wasm GOOS=js, gno)	28s
test (1.21.x, _test.pkg)	1m 0s
build (1.22.x, GOARCH=amd64 GOOS=linux, gno)	40s
test (1.21.x, _test.gnolang.native)	31s
build (1.22.x, GOARCH=wasm GOOS=js, gno)	31s
test (1.21.x, _test.gnolang.stdlibs)	54s
test (1.21.x, _test.gnolang.realm)	33s
test (1.21.x, _test.gnolang.pkg0)	1m 51s
test (1.21.x, _test.gnolang.pkg1)	9m 35s
test (1.21.x, _test.gnolang.pkg2)	4m 7s
test (1.21.x, _test.gnolang.other)	30s
test (1.22.x, _test.cmd)	1m 34s
test (1.22.x, _test.pkg)	1m 3s
test (1.22.x, _test.gnolang.native)	40s
test (1.22.x, _test.gnolang.stdlibs)	1m 3s
test (1.22.x, _test.gnolang.realm)	48s
test (1.22.x, _test.gnolang.pkg0)	1m 56s
test (1.22.x, _test.gnolang.pkg1)	9m 48s
test (1.22.x, _test.gnolang.pkg2)	4m 24s
test (1.22.x, _test.gnolang.other)	43s
upload-coverage	12s
	44m 44s

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