Revert "man: remove version-info.xml tag, does not exist on this branch"

This is not applicable to the v255-stable branch, and it breaks a unit
test:

1287/1652 systemd:dist / check-version-history    FAIL     1.62s   exit status 1

This reverts commit 2b13e41.

Author: bluca

man/systemd-coredump.xml

@@ -300,6 +300,7 @@ COREDUMP_FILENAME=/var/lib/systemd/coredump/core.Web….552351.….zst
         project='man-pages'><refentrytitle>prctl</refentrytitle><manvolnum>2</manvolnum></citerefentry>.
         </para>
 
+        <xi:include href="version-info.xml" xpointer="v258"/>
         </listitem>
       </varlistentry>