[MNG-7753] Upgrade to Resolver 1.9.8 (#1077)

Upgrade resolver to 1.9.8 (was 1.9.7).

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https://issues.apache.org/jira/browse/MNG-7753

Author: cstamas

pom.xml

@@ -143,7 +143,7 @@ under the License.
     <securityDispatcherVersion>2.0</securityDispatcherVersion>
     <cipherVersion>2.0</cipherVersion>
     <jxpathVersion>1.3</jxpathVersion>
-    <resolverVersion>1.9.7</resolverVersion>
+    <resolverVersion>1.9.8</resolverVersion>
     <slf4jVersion>1.7.36</slf4jVersion>
     <xmlunitVersion>2.2.1</xmlunitVersion>
     <powermockVersion>1.7.4</powermockVersion>