Add Japanese support for htop.desktop #5326

Job	Run time
build-ubuntu-latest-minimal-gcc	2m 0s
build-ubuntu-latest-minimal-clang	2m 25s
build-ubuntu-latest-gcc-static	1m 54s
build-ubuntu-latest-full-featured-clang	1m 42s
build-ubuntu-latest-full-featured-gcc	1m 58s
build-ubuntu-latest-pcp	29s
build-ubuntu-latest-clang-sanitizer	3m 56s
build-ubuntu-latest-clang-analyzer	3m 6s
build-openbsd-latest-clang	2m 40s
build-solaris-latest-gcc	3m 42s
build-dragonflybsd-latest-gcc	2m 24s
build-freebsd-latest-clang	2m 6s
lint-whitespace	4s
build-macos-latest-clang	27s
build-netbsd-latest-gcc	3m 9s
lint-pcp-config	5s
build-unsupported-latest-gcc	35s
	32m 42s

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