Add warning for outdated 2.x cache versions

[gkp1]

PR Details

Just warn users trying to use outdated cache versions. Many new users get stuck and we get a spam of help requests on the discord that could be solved by a simple warning

Description

Just log a [warning] line when detect any 2.x version

Motivation and Context

Dozens of help requests spam in discord

How Has This Been Tested

Warning works, tested locally with:

CACHED_WAWEB_VERSION_TO_USE=2.2410.1
CACHE_TYPE=remote
REMOTE_PATH= https://raw.githubusercontent.com/wppconnect-team/wa-version/main/html/2.2410.1.html

Types of changes

• [ ] Dependency change
• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• [x] My code follows the code style of this project.
• [x] I have updated the documentation accordingly (index.d.ts).