Fix: Use relative path to checkstyle.xml

Ensure that all developers can use the checkstyle settings without having to create a new named checkstyle configuration in their Eclipse preferences after cloning the git repo.

Author: travkin79

com.microsoft.copilot.eclipse.core/.checkstyle

@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <fileset-config file-format-version="1.2.0" simple-config="true" sync-formatter="false">
-  <fileset name="all" enabled="true" check-config-name="copilot4eclipse" local="false">
+  <local-check-config name="copilot4eclipse" location="../checkstyle.xml" type="project" description="">
+    <additional-data name="protect-config-file" value="false"/>
+  </local-check-config>
+  <fileset name="all" enabled="true" check-config-name="copilot4eclipse" local="true">
     <file-match-pattern match-pattern="." include-pattern="true"/>
   </fileset>
-</fileset-config>
+</fileset-config>

com.microsoft.copilot.eclipse.terminal.api/.checkstyle

@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <fileset-config file-format-version="1.2.0" simple-config="true" sync-formatter="false">
-  <fileset name="all" enabled="true" check-config-name="copilot4eclipse" local="false">
+  <local-check-config name="copilot4eclipse" location="../checkstyle.xml" type="project" description="">
+    <additional-data name="protect-config-file" value="false"/>
+  </local-check-config>
+  <fileset name="all" enabled="true" check-config-name="copilot4eclipse" local="true">
     <file-match-pattern match-pattern="." include-pattern="true"/>
   </fileset>
-</fileset-config>
+</fileset-config>

com.microsoft.copilot.eclipse.ui.jobs/.checkstyle

@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <fileset-config file-format-version="1.2.0" simple-config="true" sync-formatter="false">
-  <fileset name="all" enabled="true" check-config-name="copilot4eclipse" local="false">
+  <local-check-config name="copilot4eclipse" location="../checkstyle.xml" type="project" description="">
+    <additional-data name="protect-config-file" value="false"/>
+  </local-check-config>
+  <fileset name="all" enabled="true" check-config-name="copilot4eclipse" local="true">
     <file-match-pattern match-pattern="." include-pattern="true"/>
   </fileset>
-</fileset-config>
+</fileset-config>

com.microsoft.copilot.eclipse.ui.terminal.tm/.checkstyle

@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <fileset-config file-format-version="1.2.0" simple-config="true" sync-formatter="false">
-  <fileset name="all" enabled="true" check-config-name="copilot4eclipse" local="false">
+  <local-check-config name="copilot4eclipse" location="../checkstyle.xml" type="project" description="">
+    <additional-data name="protect-config-file" value="false"/>
+  </local-check-config>
+  <fileset name="all" enabled="true" check-config-name="copilot4eclipse" local="true">
     <file-match-pattern match-pattern="." include-pattern="true"/>
   </fileset>
-</fileset-config>
+</fileset-config>

com.microsoft.copilot.eclipse.ui.terminal/.checkstyle

@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <fileset-config file-format-version="1.2.0" simple-config="true" sync-formatter="false">
-  <fileset name="all" enabled="true" check-config-name="copilot4eclipse" local="false">
+  <local-check-config name="copilot4eclipse" location="../checkstyle.xml" type="project" description="">
+    <additional-data name="protect-config-file" value="false"/>
+  </local-check-config>
+  <fileset name="all" enabled="true" check-config-name="copilot4eclipse" local="true">
     <file-match-pattern match-pattern="." include-pattern="true"/>
   </fileset>
 </fileset-config>

com.microsoft.copilot.eclipse.ui/.checkstyle

@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <fileset-config file-format-version="1.2.0" simple-config="true" sync-formatter="false">
-  <fileset name="all" enabled="true" check-config-name="copilot4eclipse" local="false">
+  <local-check-config name="copilot4eclipse" location="../checkstyle.xml" type="project" description="">
+    <additional-data name="protect-config-file" value="false"/>
+  </local-check-config>
+  <fileset name="all" enabled="true" check-config-name="copilot4eclipse" local="true">
     <file-match-pattern match-pattern="." include-pattern="true"/>
   </fileset>
-</fileset-config>
+</fileset-config>