Upgrade pclzip

[williamdes]

Description:

Fixes: #23

I did my best to check for non wanted changes.
Due to copying the lib from the other repo whitespaces change.
But use: git diff -w 3e96938cd11f90e5e4bcc38c78264c86a63f41bb..HEAD and the diff will be what is expected

Review

• Functional review done
• Potential edge cases thought about (behavior of the code with strange input, with strange internal state or possible interactions with other Matomo subsystems)
• Usability review done (is anything maybe unclear or think about anything that would cause people to reach out to support)
• Security review done
• Wording review done
• Code review done
• Tests were added if useful/possible
• Reviewed for breaking changes
• Developer changelog updated if needed
• Documentation added if needed
• Existing documentation updated if needed