Bump org.assertj:assertj-core from 3.25.3 to 3.26.0 (#492)

Co-authored-by: Boni Garcia <boni.garcia@uc3m.es>

Author: dependabot[bot]

pom.xml

@@ -20,7 +20,7 @@
 
         <!-- Test dependencies -->
         <logback.version>1.5.6</logback.version>
-        <assertj.version>3.25.3</assertj.version>
+        <assertj.version>3.26.0</assertj.version>
 
         <!-- Plugins -->
         <maven-release-plugin.version>3.0.1</maven-release-plugin.version>