Bump org.apache.velocity:velocity-engine-core from 2.3 to 2.4

Bumps org.apache.velocity:velocity-engine-core from 2.3 to 2.4.

---
updated-dependencies:
- dependency-name: org.apache.velocity:velocity-engine-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

maven-jxr/pom.xml

@@ -43,7 +43,7 @@ under the License.
     <dependency>
       <groupId>org.apache.velocity</groupId>
       <artifactId>velocity-engine-core</artifactId>
-      <version>2.3</version>
+      <version>2.4</version>
     </dependency>
 
     <dependency>