feat(gnovm, tm2): implement event emission with `std.Emit` #4568

Job	Run time
build (1.21.x, GOARCH=amd64 GOOS=linux, gno)	29s
test (1.21.x, _test.cmd)	1m 30s
test (1.21.x, _test.pkg)	56s
build (1.21.x, GOARCH=wasm GOOS=js, gno)	26s
test (1.21.x, _test.gnolang.native)	39s
build (1.22.x, GOARCH=amd64 GOOS=linux, gno)	37s
test (1.21.x, _test.gnolang.stdlibs)	54s
build (1.22.x, GOARCH=wasm GOOS=js, gno)	32s
test (1.21.x, _test.gnolang.realm)	38s
test (1.21.x, _test.gnolang.pkg0)	1m 46s
test (1.21.x, _test.gnolang.pkg1)	9m 59s
test (1.21.x, _test.gnolang.pkg2)	4m 19s
test (1.21.x, _test.gnolang.other)	35s
test (1.22.x, _test.cmd)	1m 33s
test (1.22.x, _test.pkg)	1m 4s
test (1.22.x, _test.gnolang.native)	46s
test (1.22.x, _test.gnolang.stdlibs)	1m 20s
test (1.22.x, _test.gnolang.realm)	54s
test (1.22.x, _test.gnolang.pkg0)	2m 5s
test (1.22.x, _test.gnolang.pkg1)	10m 1s
test (1.22.x, _test.gnolang.pkg2)	4m 14s
test (1.22.x, _test.gnolang.other)	37s
upload-coverage	20s
	46m 14s

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