chore(deps-dev): bump software.amazon.opentelemetry:aws-opentelemetry-agent (#917)

Bumps [software.amazon.opentelemetry:aws-opentelemetry-agent](https://github.com/aws-observability/aws-otel-java-instrumentation) from 2.28.1 to 2.28.2.
- [Release notes](https://github.com/aws-observability/aws-otel-java-instrumentation/releases)
- [Changelog](https://github.com/aws-observability/aws-otel-java-instrumentation/blob/main/CHANGELOG.md)
- [Commits](aws-observability/aws-otel-java-instrumentation@v2.28.1...v2.28.2)

---
updated-dependencies:
- dependency-name: software.amazon.opentelemetry:aws-opentelemetry-agent
  dependency-version: 2.28.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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samples/spring-ai-agent/pom.xml

@@ -175,7 +175,7 @@
                                 <artifactItem>
                                     <groupId>software.amazon.opentelemetry</groupId>
                                     <artifactId>aws-opentelemetry-agent</artifactId>
-                                    <version>2.28.1</version>
+                                    <version>2.28.2</version>
                                     <type>jar</type>
                                     <outputDirectory>${project.build.directory}/agents</outputDirectory>
                                     <destFileName>aws-opentelemetry-agent.jar</destFileName>