Update default chunck size to update agent via wpk

[cborla]

Wazuh version
4.10.0

Description

The purpose of this PR is to increase the size of the chunk size that is used when updating an agent via wpk. Definition

Checks

Docs building

• Compiles without warnings.

Code formatting and web optimization

• Uses three spaces indentation.
• Adds or updates meta descriptions accordingly.
• Updates the redirects.js script if necessary (check this guide).

Writing style

• Uses present tense, active voice, and semi-formal registry.
• Uses short, simple sentences.
• Uses bold for user interface elements, italics for key terms or emphasis, and code font for Bash commands, file names, REST paths, and code.