lang/pear: update to 1.10.9

Update pear to 1.10.9.  It also contains update of Archive_Tar to 1.4.7
And Console_Getopt to 1.4.2.

PEAR

1.10.8 (2019-03-13 14:45 UTC)

Changelog:

* PR #83: Drop track_errors from options
* PR #84: Fix PHP 8 compatibility issues

1.10.9 (2019-03-13 14:04 UTC)

Changelog:

* PR #85: Fixes static calls for PHP 8
* PR #86: Adjust silencing check for PHP 8
* PR #87: Comparison fixes
* PR #88: Only add bin_dir to PATH if not already there (fixes PHP Bug 75852)

Archive_Tar

1.4.6 (2019-04-08 09:11 UTC)

Changelog:

* Improve path traversal detection for forward and backward slashes

1.4.7 (2019-04-08 09:18 UTC)

Changelog:

* Improved performance by increasing read buffer size

Console_Getopt

1.4.2 (2019-03-18 08:52 UTC)

Changelog:

* Remove use of each(), which is removed in PHP 8

(taca)