Bump jaxb-core from 2.3.0.1 to 4.0.2 (#145)

Bumps jaxb-core from 2.3.0.1 to 4.0.2.

---
updated-dependencies:
- dependency-name: com.sun.xml.bind:jaxb-core
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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examples/ehcache/pom.xml

@@ -58,7 +58,7 @@
 		<dependency>
 			<groupId>com.sun.xml.bind</groupId>
 			<artifactId>jaxb-core</artifactId>
-			<version>2.3.0.1</version>
+			<version>4.0.2</version>
 		</dependency>
 		<dependency>
 			<groupId>com.sun.xml.bind</groupId>