Update Chinese translations for the Rust subsystem documentation,
syncing with the latest upstream changes.

- quick-start.rst: update distro-specific install instructions, Ubuntu
  package versions, openSUSE rust-src package, and remove GDB/Binutils note
- general-information.rst: add no_std section, rustdoc links, abstractions
  and bindings diagram, Bindings/Abstractions sections, and Kconfig example
- arch-support.rst: add s390 support note
- testing.rst: add Kconfig guidance for KUnit test suites

Changes in v2:
- Add Reviewed-by from Gary Guo
- Translate "sound" as "可靠" in general-information.rst

Ben Guo (4):
  docs/zh_CN: Update rust/quick-start.rst translation
  docs/zh_CN: Update rust/general-information.rst translation
  docs/zh_CN: Update rust/arch-support.rst translation
  docs/zh_CN: Update rust/testing.rst translation

 .../translations/zh_CN/rust/arch-support.rst  |  1 +
 .../zh_CN/rust/general-information.rst        | 82 ++++++++++++++++++-
 .../translations/zh_CN/rust/quick-start.rst   | 48 +++++------
 .../translations/zh_CN/rust/testing.rst       |  4 +
 4 files changed, 103 insertions(+), 32 deletions(-)

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2.53.0