Bump PEAR dependency to 1.10.1

PEAR:raiseError() is static in that version, and that fixes a
deprecation warning. PEAR 1.10.1 is only supported with > PHP 5.3, but
that is fine as all older versions are already EOL.

Signed-off-by: Nishanth Aravamudan <nish.aravamudan@canonical.com>

package.xml

@@ -95,6 +95,7 @@
             <package>
                 <name>PEAR</name>
                 <channel>pear.php.net</channel>
+                <min>1.10.1</min>
             </package>
         </required>
     </dependencies>