Define compliance levels for tests run on jre 26 (eclipse-jdt#4658)

Author: stephan-herrmann

org.eclipse.jdt.core.tests.compiler/test.xml

@@ -57,7 +57,7 @@
       <property name="classname" 
                 value="org.eclipse.jdt.core.tests.compiler.regression.TestAll"/>
       <property name="vmargs" 
-      	value="-Dcompliance.jre.17=1.8,11,17 -Dcompliance.jre.21=1.8,11,17,20,21 -Dcompliance.jre.22=1.8,11,17,21,22 -Dcompliance.jre.23=1.8,11,17,21,23 -Dcompliance.jre.24=1.8,11,17,21,24 -Dcompliance.jre.25=1.8,11,17,21,25 "
+      	value="-Dcompliance.jre.17=1.8,11,17 -Dcompliance.jre.21=1.8,11,17,20,21 -Dcompliance.jre.22=1.8,11,17,21,22 -Dcompliance.jre.23=1.8,11,17,21,23 -Dcompliance.jre.24=1.8,11,17,21,24 -Dcompliance.jre.25=1.8,11,17,21,25 -Dcompliance.jre.26=1.8,11,17,21,25,26 "
       />
     </ant>