Restrict default authd.pass permissions

[NHAS]

This changes the default recommendations from 644 (world readable) to 640, which can only be read by root and the wazuh group.

Sensitive files should not be readable by any user.

Description

Checks

• [x] It compiles without warnings.
• [x] Spelling and grammar.
• [x] Used impersonal speech.
• [x] Used uppercase only on nouns.
• [x] Updated the redirect.js script if necessary (check this guide).