fix: fix the scope of `recover()` #4300

Job	Run time
build (1.21.x, GOARCH=amd64 GOOS=linux, gno)	15s
test (1.21.x, _test.cmd)	1m 12s
test (1.21.x, _test.pkg)	45s
build (1.21.x, GOARCH=wasm GOOS=js, gno)	22s
test (1.21.x, _test.gnolang.native)	28s
build (1.22.x, GOARCH=amd64 GOOS=linux, gno)	37s
test (1.21.x, _test.gnolang.stdlibs)	46s
build (1.22.x, GOARCH=wasm GOOS=js, gno)	26s
test (1.21.x, _test.gnolang.realm)	33s
test (1.21.x, _test.gnolang.pkg0)	1m 42s
test (1.21.x, _test.gnolang.pkg1)	6m 8s
test (1.21.x, _test.gnolang.pkg2)	3m 54s
test (1.21.x, _test.gnolang.other)	26s
test (1.22.x, _test.cmd)	1m 35s
test (1.22.x, _test.pkg)	48s
test (1.22.x, _test.gnolang.native)	43s
test (1.22.x, _test.gnolang.stdlibs)	1m 15s
test (1.22.x, _test.gnolang.realm)	51s
test (1.22.x, _test.gnolang.pkg0)	2m 3s
test (1.22.x, _test.gnolang.pkg1)	6m 24s
test (1.22.x, _test.gnolang.pkg2)	4m 19s
test (1.22.x, _test.gnolang.other)	44s
upload-coverage	18s
	36m 34s

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