Update rule-tests schema to 1.1.1 and fix #367 (#368)

Fixes #367

Author: adangel

ReleaseNotes.md

@@ -14,6 +14,7 @@ This is a minor release.
 ### 🚀 New and noteworthy
 
 ### 🐛 Fixed Issues
+* [#367](https://github.com/pmd/pmd-eclipse-plugin/issues/367): FileNotFoundException: rule-tests_1_0_0.xsd
 
 ### ✨ Merged pull requests
 

net.sourceforge.pmd.eclipse.plugin/plugin.xml

@@ -809,9 +809,9 @@
                uri="platform:/plugin/net.sourceforge.pmd.eclipse.plugin/report_2_0_0.xsd">
          </public>
          <public
-               id="rule-tests_1_0_0"
+               id="rule-tests_1_1_1"
                publicId="http://pmd.sourceforge.net/rule-tests"
-               uri="platform:/plugin/net.sourceforge.pmd.eclipse.plugin/rule-tests_1_0_0.xsd">
+               uri="platform:/plugin/net.sourceforge.pmd.eclipse.plugin/rule-tests_1_1_1.xsd">
          </public>
       </catalogContribution>
    </extension>

net.sourceforge.pmd.eclipse.plugin/pom.xml

@@ -90,7 +90,8 @@
                                 <groupId>net.sourceforge.pmd</groupId>
                                 <artifactId>pmd-test-schema</artifactId>
                                 <version>${pmd.version}</version>
-                                <includes>net/sourceforge/pmd/test/schema/rule-tests_1_1_0.xsd</includes>
+                                <!-- note: also update in plugin.xml at org.eclipse.wst.xml.core.catalogContributions -->
+                                <includes>net/sourceforge/pmd/test/schema/rule-tests_1_1_1.xsd</includes>
                                 <fileMappers>
                                     <org.codehaus.plexus.components.io.filemappers.RegExpFileMapper>
                                         <pattern>^\Qnet/sourceforge/pmd/test/schema/\E</pattern>