Bump xercesImpl from 2.8.1 to 2.12.0

Bumps xercesImpl from 2.8.1 to 2.12.0.

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

modello-plugins/modello-plugin-jsonschema/pom.xml

@@ -35,7 +35,7 @@
     <dependency>
       <groupId>xerces</groupId>
       <artifactId>xercesImpl</artifactId>
-      <version>2.8.1</version>
+      <version>2.12.0</version>
       <scope>test</scope>
     </dependency>
   </dependencies>

modello-plugins/modello-plugin-xsd/pom.xml

@@ -33,7 +33,7 @@
     <dependency>
       <groupId>xerces</groupId>
       <artifactId>xercesImpl</artifactId>
-      <version>2.8.1</version>
+      <version>2.12.0</version>
       <scope>test</scope>
     </dependency>
   </dependencies>