Add SKIPIFs for upstream regression in libxslt (#14674)

See https://gitlab.gnome.org/GNOME/libxslt/-/issues/113

Author: nielsdos

ext/xsl/tests/skip_upstream_issue113.inc

@@ -0,0 +1,5 @@
+<?php
+if ((LIBXSLT_VERSION === 10140 || LIBXSLT_VERSION === 10141)
+    && LIBXML_VERSION < 21300) {
+    die('skip upstream regression https://gitlab.gnome.org/GNOME/libxslt/-/issues/113');
+}

ext/xsl/tests/xslt010_gt10129.phpt

@@ -7,6 +7,7 @@ xsl
 $proc = new xsltprocessor;
 if (!$proc->hasExsltSupport()) die('skip EXSLT support not available');
 if (LIBXSLT_VERSION < 10130) die('skip too old libxsl');
+require __DIR__.'/skip_upstream_issue113.inc';
 ?>
 --FILE--
 <?php