Bump default palantir-java-format version to latest 2.10 -> 2.28

Author: nedtwigg

lib/src/main/java/com/diffplug/spotless/java/PalantirJavaFormatStep.java

@@ -29,7 +29,7 @@ private PalantirJavaFormatStep() {}
 
 	private static final String NAME = "palantir-java-format";
 	private static final String MAVEN_COORDINATE = "com.palantir.javaformat:palantir-java-format:";
-	private static final Jvm.Support<String> JVM_SUPPORT = Jvm.<String> support(NAME).add(8, "1.1.0").add(11, "2.10.0");
+	private static final Jvm.Support<String> JVM_SUPPORT = Jvm.<String> support(NAME).add(8, "1.1.0").add(11, "2.28.0");
 
 	/** Creates a step which formats everything - code, import order, and unused imports. */
 	public static FormatterStep create(Provisioner provisioner) {

testlib/src/test/java/com/diffplug/spotless/java/PalantirJavaFormatStepTest.java

@@ -40,7 +40,7 @@ void jvm13Features() throws Exception {
 	@Test
 	@EnabledForJreRange(min = JAVA_11)
 	void behavior2() throws Exception {
-		FormatterStep step = PalantirJavaFormatStep.create("2.10.0", TestProvisioner.mavenCentral());
+		FormatterStep step = PalantirJavaFormatStep.create("2.28.0", TestProvisioner.mavenCentral());
 		StepHarness.forStep(step)
 				.testResource("java/palantirjavaformat/JavaCodeUnformatted.test", "java/palantirjavaformat/JavaCodeFormatted.test")
 				.testResource("java/palantirjavaformat/JavaCodeWithLicenseUnformatted.test", "java/palantirjavaformat/JavaCodeWithLicenseFormatted.test")