build

Updated Japanese API documentation #77

Job	Run time
fedora	2m 58s
Build on ruby-head-debug (debug)	2m 1s
ubuntu ruby-2.7	1m 20s
ubuntu ruby-3.1	1m 2s
ubuntu ruby-2.6	1m 26s
ubuntu ruby-3.2	1m 7s
ubuntu ruby-3.0	1m 5s
ubuntu ruby-3.4	1m 15s
ubuntu ruby-3.3	1m 4s
macos ruby-2.7	59s
macos ruby-2.6	1m 14s
macos ruby-3.1	41s
macos ruby-3.3	31s
ubuntu ruby-head	1m 14s
macos ruby-3.2	33s
macos ruby-3.0	31s
macos ruby-3.4	35s
windows ruby-2.6	3m 24s
macos ruby-head	43s
windows ruby-2.7	3m 6s
windows ruby-3.1	2m 33s
windows ruby-3.4	2m 24s
windows ruby-3.3	2m 23s
windows ruby-3.0	2m 40s
windows ruby-head	2m 20s
windows ruby-3.2	2m 35s
	41m 44s

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