Deprecated addLogEntry() called from PHPUnit tests

[dregad]

PHPUnit logs show deprecation warning:

[deprecated] 2023-04-06 11:57:46 addLogEntry() is deprecated. It was called from common_pageinfo_test::test_editor_and_externaledits() in /home/runner/work/dokuwiki/dokuwiki/_test/tests/inc/common_pageinfo.test.php:244 see dokuwiki\File\PageFile::saveWikiText() should be used instead!

[dregad]

Deprecated function usage is still present today.

_test/tests/inc/common_pageinfo.test.php:238:        $info['meta'] = p_get_metadata($ID);  // need $INFO set correctly for addLogEntry()
_test/tests/inc/common_pageinfo.test.php:244:        addLogEntry($rev, $ID);