Bump org.junit:junit-bom from 5.11.2 to 5.11.3

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit5) from 5.11.2 to 5.11.3.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.11.2...r5.11.3)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ assertj = "3.26.3"
 buf = "1.45.0"
 cel = "0.5.1"
 ipaddress = "5.5.1"
-junit = "5.11.2"
+junit = "5.11.3"
 maven-publish = "0.30.0"
 # When updating, make sure to update versions in the following files to match and regenerate code with 'make generate'.
 # - buf.gen.yaml