feat(gnoweb): Handle unicode characters in 404 page URL #3468

Job	Run time
build (1.21.x, amd64, linux, ./pkg/amino/cmd/aminoscan)	22s
build (1.21.x, amd64, linux, ./pkg/amino/cmd/goscan)	8s
build (1.21.x, amd64, linux, ./pkg/autofile/cmd)	12s
test (1.21.x, _test.flappy)	29s
build (1.21.x, amd64, linux, ./pkg/iavl/cmd/iaviewer)	11s
test (1.21.x, _test.pkg.amino)	1m 37s
build (1.22.x, amd64, linux, ./pkg/amino/cmd/aminoscan)	22s
test (1.21.x, _test.pkg.bft)	21m 14s
build (1.22.x, amd64, linux, ./pkg/amino/cmd/goscan)	10s
test (1.21.x, _test.pkg.others)	1m 20s
build (1.22.x, amd64, linux, ./pkg/autofile/cmd)	16s
test (1.22.x, _test.flappy)	28s
build (1.22.x, amd64, linux, ./pkg/iavl/cmd/iaviewer)	15s
test (1.22.x, _test.pkg.amino)	1m 31s
test (1.22.x, _test.pkg.bft)	2m 33s
test (1.22.x, _test.pkg.others)	1m 25s
upload-coverage	0s
	32m 33s

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