Update lemminx integration to Java 21 BREE

As WWD requires Java 21 the only way to make tests work is if they are
run with Java 21 too.
Makes licensecheck GHA runs with Java 21 too now.

Author: akurtakov

.github/workflows/licensecheck.yml

@@ -21,6 +21,7 @@ jobs:
     uses: eclipse-dash/dash-licenses/.github/workflows/mavenLicenseCheck.yml@master
     with:
       projectId: technology.m2e
+      javaVersion: 21
       setupScript: 'cd org.eclipse.m2e.maven.runtime && mvn generate-resources'
     secrets:
       gitlabAPIToken: ${{ secrets.M2E_GITLAB_API_TOKEN }}

org.eclipse.m2e.editor.lemminx.tests/.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-17">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21">
 		<attributes>
 			<attribute name="module" value="true"/>
 		</attributes>

org.eclipse.m2e.editor.lemminx.tests/.settings/org.eclipse.jdt.core.prefs

@@ -1,9 +1,9 @@
 eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.compliance=17
+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=17
+org.eclipse.jdt.core.compiler.source=21

org.eclipse.m2e.editor.lemminx.tests/META-INF/MANIFEST.MF

@@ -4,7 +4,7 @@ Bundle-Name: M2E Maven POM File Editor using Wild Web Developer, Lemminx and Mav
 Bundle-SymbolicName: org.eclipse.m2e.editor.lemminx.tests
 Bundle-Version: 2.0.2.qualifier
 Automatic-Module-Name: org.eclipse.m2e.editor.lemminx.tests
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-21
 Bundle-Vendor: Eclipse.org - m2e
 Fragment-Host: org.eclipse.m2e.editor.lemminx
 Require-Bundle: org.junit,

org.eclipse.m2e.editor.lemminx/.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-17">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21">
 		<attributes>
 			<attribute name="module" value="true"/>
 		</attributes>

org.eclipse.m2e.editor.lemminx/.settings/org.eclipse.jdt.core.prefs

@@ -1,10 +1,10 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.compliance=17
+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=17
+org.eclipse.jdt.core.compiler.source=21

org.eclipse.m2e.editor.lemminx/META-INF/MANIFEST.MF

@@ -15,5 +15,5 @@ Require-Bundle: org.eclipse.wildwebdeveloper.xml;bundle-version="[1.3,1.4)",
  org.eclipse.m2e.core,
  org.eclipse.m2e.maven.runtime;bundle-version="[3.8.6,4.0.0)",
  org.eclipse.core.resources
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-21
 Bundle-Vendor: Eclipse.org - m2e