feat(gnovm, tm2): implement event emission with `std.Emit` #5069

Job	Run time
build (1.21.x, GOARCH=amd64 GOOS=linux, gno)	23s
build (1.21.x, GOARCH=wasm GOOS=js, gno)	27s
build (1.22.x, GOARCH=amd64 GOOS=linux, gno)	18s
test (1.21.x, _test.cmd)	1m 22s
build (1.22.x, GOARCH=wasm GOOS=js, gno)	31s
test (1.21.x, _test.pkg)	48s
test (1.21.x, _test.gnolang.native)	31s
test (1.21.x, _test.gnolang.stdlibs)	1m 6s
test (1.21.x, _test.gnolang.realm)	31s
test (1.21.x, _test.gnolang.pkg0)	1m 51s
test (1.21.x, _test.gnolang.pkg1)	6m 34s
test (1.21.x, _test.gnolang.pkg2)	4m 7s
test (1.21.x, _test.gnolang.other)	33s
test (1.22.x, _test.cmd)	1m 24s
test (1.22.x, _test.pkg)	54s
test (1.22.x, _test.gnolang.native)	24s
test (1.22.x, _test.gnolang.stdlibs)	53s
test (1.22.x, _test.gnolang.realm)	39s
test (1.22.x, _test.gnolang.pkg0)	1m 46s
test (1.22.x, _test.gnolang.pkg1)	6m 17s
test (1.22.x, _test.gnolang.pkg2)	4m 1s
test (1.22.x, _test.gnolang.other)	26s
upload-coverage	14s
	36m 0s

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