Bump org.assertj:assertj-core from 3.27.4 to 3.27.6 in /maven-plugins

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.27.4 to 3.27.6.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.27.4...assertj-build-3.27.6)

---
updated-dependencies:
- dependency-name: org.assertj:assertj-core
  dependency-version: 3.27.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

maven-plugins/bnd-plugin-parent/pom.xml

@@ -25,7 +25,7 @@
 		<aether.version>1.0.2.v20150114</aether.version>
 		<!-- The following versions should match those in cnf/ext/junit.bnd -->
 		<junit.jupiter.version>5.12.2</junit.jupiter.version>
-		<assertj.version>3.27.4</assertj.version>
+		<assertj.version>3.27.6</assertj.version>
 	</properties>
 
 	<url>https://bnd.bndtools.org/</url>