Bump com.amazonaws:aws-lambda-java-events from 3.14.0 to 3.15.0

Bumps [com.amazonaws:aws-lambda-java-events](https://github.com/aws/aws-lambda-java-libs) from 3.14.0 to 3.15.0.
- [Commits](https://github.com/aws/aws-lambda-java-libs/commits)

---
updated-dependencies:
- dependency-name: com.amazonaws:aws-lambda-java-events
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -325,7 +325,7 @@
       <dependency>
         <artifactId>aws-lambda-java-events</artifactId>
         <groupId>com.amazonaws</groupId>
-        <version>3.14.0</version>
+        <version>3.15.0</version>
       </dependency>
       <dependency>
         <artifactId>slf4j-api</artifactId>