*/wordpress*: Update to 5.8.2

For all languages:

Make the port portlint(1),portclippy(1) compliant.

For www,french,german,japanese,russian:

Fix pkg-message.in to only show upgrade message when upgrading.

For www,zh_CN,zh_TW,french,german:

Use do-install-DOCS-on for documentation.

For zh_CN,zh_TW:

Add CPE information

PR: 260013
Approved by: maintainer timeout

(cherry picked from commit c44d822e8d558b399cfc0428a6f68fa3e9a217c6)