Make JAXB API available to Groovy Templates when running on Java 9+

See gh-13670

spring-boot-samples/spring-boot-sample-web-groovy-templates/pom.xml

@@ -35,4 +35,18 @@
 			</plugin>
 		</plugins>
 	</build>
+	<profiles>
+		<profile>
+			<id>java9</id>
+			<activation>
+				<jdk>[9,)</jdk>
+			</activation>
+			<dependencies>
+				<dependency>
+					<groupId>javax.xml.bind</groupId>
+					<artifactId>jaxb-api</artifactId>
+				</dependency>
+			</dependencies>
+		</profile>
+	</profiles>
 </project>