Add SKIPIFs for upstream regression in libxslt

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

Author: nielsdos

ext/xsl/tests/auto_registration_namespaces_new_dom.phpt

@@ -3,6 +3,10 @@ Auto-registration of namespaces in XSL stylesheet with new DOM
 --EXTENSIONS--
 dom
 xsl
+--SKIPIF--
+<?php
+require __DIR__.'/skip_upstream_issue113.inc';
+?>
 --FILE--
 <?php
 

ext/xsl/tests/registerPHPFunctionNS.phpt

@@ -2,6 +2,10 @@
 registerPHPFunctionNS() function - legit cases
 --EXTENSIONS--
 xsl
+--SKIPIF--
+<?php
+require __DIR__.'/skip_upstream_issue113.inc';
+?>
 --FILE--
 <?php
 

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

ext/xsl/tests/xsltprocessor_exsl_registerPhpFunctionNs.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