Move o.e.p.doc.tips to Java 21

It already requires bundles at Java 21.

Author: akurtakov

eclipse.platform.common/bundles/org.eclipse.platform.doc.tips/.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>

eclipse.platform.common/bundles/org.eclipse.platform.doc.tips/.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

eclipse.platform.common/bundles/org.eclipse.platform.doc.tips/META-INF/MANIFEST.MF

@@ -2,12 +2,12 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Platform Doc Tips
 Bundle-SymbolicName: org.eclipse.platform.doc.tips;singleton:=true
-Bundle-Version: 0.3.100.qualifier
+Bundle-Version: 0.4.0.qualifier
 Automatic-Module-Name: org.eclipse.platform.doc.tips
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-21
 Require-Bundle: org.eclipse.tips.core,
- org.eclipse.tips.ui;bundle-version="0.1.0",
- org.eclipse.swt;bundle-version="3.107.0",
+ org.eclipse.tips.ui;bundle-version="0.4.0",
+ org.eclipse.swt;bundle-version="3.133.0",
  org.eclipse.core.runtime;bundle-version="[3.28.0,4.0.0)",
- org.eclipse.jface;bundle-version="3.14.0",
+ org.eclipse.jface;bundle-version="3.39.0",
  org.jsoup;bundle-version="1.8.3"