Changed to JavaSE-21

Author: APHDKO

plugins/carisma.check.mltop10checks/.classpath

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-23"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>

plugins/carisma.check.mltop10checks/.settings/org.eclipse.jdt.core.prefs

@@ -1,9 +1,9 @@
 eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=23
-org.eclipse.jdt.core.compiler.compliance=23
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
+org.eclipse.jdt.core.compiler.compliance=21
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=23
+org.eclipse.jdt.core.compiler.source=21

plugins/carisma.check.mltop10checks/META-INF/MANIFEST.MF

@@ -16,4 +16,4 @@ Require-Bundle: org.eclipse.swt,
  carisma.check.staticcheck,
  carisma.profile.umlsec.mltop10
 Automatic-Module-Name: carisma.check.mltop10checks
-Bundle-RequiredExecutionEnvironment: JavaSE-23
+Bundle-RequiredExecutionEnvironment: JavaSE-21