Update to 1.10.6

Changelog:
Update pear to 1.10.6

• Fix notice undefined variable metadata_dir
• fix Warning: count(): Parameter must be an array or an object
• Remove is_executable check
• The is_executable check in the Which method when run on Windows is unnecessary
• Migrate old while(list() = each()) constructs to foreach
• Fix PHP Warning: "continue" targeting switch is equivalent to "break"
• proxy server auth
• Correctly authenticate at proxy server
• array or Countable error in 7.2

Update Archive_Tar to 1.4.3

• Cannot use result of built-in function in write context in PHP 7.2.0alpha1

Update XML_Util to 1.4.3

• Decrease minimum PEAR version to 1.9.0 to allow PEAR upgrades

PR: 226216
Sponsored by: Netzkommune GmbH