use sharedincludes in compat page

Author: rustagir

source/compatibility.txt

@@ -29,7 +29,7 @@ The first column lists the version of the library and extension.
 
 .. sharedinclude:: dbx/compatibility-table-legend.rst
 
-.. include:: /includes/mongodb-compatibility-table-php.rst
+.. sharedinclude:: dbx/mongodb-compatibility-table-php.rst
 
 For more information on how to read the compatibility tables, see our guide on
 :ref:`MongoDB Compatibility Tables <about-driver-compatibility>`.
@@ -42,7 +42,7 @@ of the {+php-library+} and extension that you can use with a specific version of
 
 The first column lists the version of the library and extension.
 
-.. include:: /includes/language-compatibility-table-php.rst
+.. sharedinclude:: dbx/language-compatibility-table-php.rst
 
 For more information on how to read the compatibility tables, see our guide on
 :ref:`MongoDB Compatibility Tables <about-driver-compatibility>`.