GUACAMOLE-1956: Update maven dependencies to latest compatible versions.

extensions/guacamole-auth-sso/modules/guacamole-auth-sso-saml/pom.xml

@@ -135,7 +135,7 @@
                 <!--
                     Replace slightly older commons-codec (1.15) with newer
                     and identical version to that used by Apache Directory API
-                    for LDAP (1.16.0) so that we don't need two copies of the
+                    for LDAP (1.17.0) so that we don't need two copies of the
                     same license information.
                 -->
                 <exclusion>
@@ -157,7 +157,7 @@
         <dependency>
             <groupId>commons-codec</groupId>
             <artifactId>commons-codec</artifactId>
-            <version>1.16.1</version>
+            <version>1.17.0</version>
         </dependency>
 
     </dependencies>