Translation updates for zh_CN.po (Chinese Simplified)

Hi all

zh_CN.po has not been updated for three years.
The source has changed a lot.
I want to do something for postgresql.
I think I can update the zh_CN.po file.

I plan to translate and update the following zh_CN.po
postgresql/src/bin/initdb/po/zh_CN.po [Patch has been completed]
postgresql/src/bin/pg_archivecleanup/po/zh_CN.po
postgresql/src/bin/pg_basebackup/po/zh_CN.po
postgresql/src/bin/pg_checksums/po/zh_CN.po
postgresql/src/bin/pg_config/po/zh_CN.po
postgresql/src/bin/pg_controldata/po/zh_CN.po
postgresql/src/bin/pg_ctl/po/zh_CN.po
postgresql/src/bin/pg_dump/po/zh_CN.po
postgresql/src/bin/pg_resetwal/po/zh_CN.po
postgresql/src/bin/pg_rewind/po/zh_CN.po
postgresql/src/bin/pg_test_fsync/po/zh_CN.po
postgresql/src/bin/pg_test_timing/po/zh_CN.po
postgresql/src/bin/pg_upgrade/po/zh_CN.po
postgresql/src/bin/pg_waldump/po/zh_CN.po
postgresql/src/bin/psql/zh_CN.po
postgresql/src/bin/scripts/po/zh_CN.po
postgresql/src/backend/po/zh_CN.po
postgresql/src/pl/plpgsql/src/po/zh_CN.po
postgresql/src/interfaces/ecpg/preproc/po/zh_CN.po
postgresql/src/interfaces/ecpg/ecpglib/po/zh_CN.po
postgresql/src/interfaces/libpq/po/zh_CN.po

Here is a patch for postgresql/src/bin/initdb/po/zh_CN.po