chore(deps-dev): bump org.glassfish.expressly:expressly

Bumps [org.glassfish.expressly:expressly](https://github.com/eclipse-ee4j/expressly) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/eclipse-ee4j/expressly/releases)
- [Commits](eclipse-ee4j/expressly@5.0.0-RELEASE...6.0.0-RELEASE)

---
updated-dependencies:
- dependency-name: org.glassfish.expressly:expressly
  dependency-version: 6.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

aws-serverless-java-container-spring/pom.xml

@@ -87,7 +87,7 @@
         <dependency>
             <groupId>org.glassfish.expressly</groupId>
             <artifactId>expressly</artifactId>
-            <version>5.0.0</version>
+            <version>6.0.0</version>
             <scope>test</scope>
         </dependency>