Bump io.micronaut:micronaut-bom from 3.10.2 to 3.10.3

Bumps [io.micronaut:micronaut-bom](https://github.com/micronaut-projects/micronaut-core) from 3.10.2 to 3.10.3.
- [Release notes](https://github.com/micronaut-projects/micronaut-core/releases)
- [Changelog](https://github.com/micronaut-projects/micronaut-core/blob/4.2.x/RELEASE.adoc)
- [Commits](micronaut-projects/micronaut-core@v3.10.2...v3.10.3)

---
updated-dependencies:
- dependency-name: io.micronaut:micronaut-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

acceptance-tests/acceptance-tests-micronaut/pom.xml

@@ -31,7 +31,7 @@
   <description>Acceptance tests for Micronaut.</description>
 
   <properties>
-    <micronaut.version>3.10.2</micronaut.version>
+    <micronaut.version>3.10.3</micronaut.version>
   </properties>
 
   <dependencyManagement>