MDL-78257 libraries: upgrade to version 4.7.2 of axe-core.

lib/behat/axe/readme_moodle.txt

@@ -1,15 +1,18 @@
 Description of axe import into Moodle
 
 1/ Download the latest axe code somewhere (example /tmp/axe) using:
-npm install axe-core --save-dev
+
+mkdir -p axe/node_modules
+npm install --prefix axe axe-core --save-dev
+
 Note down the version number displayed by the command, to update lib/thirdpartylibs.xml accordingly.
 
-
 2/ Copy the following file to your local Moodle directory, to replace the old one:
-cp node_modules/axe-core/axe.min.js [PATH TO YOUR MOODLE]/lib/behat/axe/
 
+cp axe/node_modules/axe-core/axe.min.js [PATH TO YOUR MOODLE]/lib/behat/axe/
 
 3/ Run behat tests labelled with @accessibility and confirm they are passing with the new library version, or fix the failures
 because the new version might raise issues that weren't detected previously:
-php admin/tool/behat/cli/init.php --axe
+
+php admin/tool/behat/cli/init.php --add-core-features-to-theme
 php admin/tool/behat/cli/run.php --tags=@accessibility

lib/thirdpartylibs.xml

@@ -17,7 +17,7 @@
     <location>behat/axe</location>
     <name>axe-core</name>
     <description>Accessibility testing engine for websites and other HTML-based user interfaces.</description>
-    <version>4.6.3</version>
+    <version>4.7.2</version>
     <license>MPL</license>
     <licenseversion>2.0</licenseversion>
     <repository>https://github.com/dequelabs/axe-core</repository>