[zh] context-propagation.md: use consistent terms

[chalin]

Originally posted by @reyang in #4536 (comment)

It seems we have different translations for the same word, would be good to keep consistency.

opentelemetry.io/content/zh/docs/what-is-opentelemetry.md

Line 9 in 43fea35

旨在创建和管理遥测数据，如[链路](/zh/docs/concepts/signals/traces/)、

[chalin]

/cc @my-git9 @open-telemetry/docs-zh-approvers

[windsonsea]

Yes, a glossary list is required to keep them consistent.