Bump org.eclipse.persistence:org.eclipse.persistence.jpa

Bumps [org.eclipse.persistence:org.eclipse.persistence.jpa](https://github.com/eclipse-ee4j/eclipselink) from 4.0.7 to 4.0.8.
- [Release notes](https://github.com/eclipse-ee4j/eclipselink/releases)
- [Commits](eclipse-ee4j/eclipselink@4.0.7...4.0.8)

---
updated-dependencies:
- dependency-name: org.eclipse.persistence:org.eclipse.persistence.jpa
  dependency-version: 4.0.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

experiments/multischema/pom.xml

@@ -53,7 +53,7 @@
         <dependency>
             <groupId>org.eclipse.persistence</groupId>
             <artifactId>org.eclipse.persistence.jpa</artifactId>
-            <version>4.0.7</version>
+            <version>4.0.8</version>
         </dependency>