Bump org.assertj:assertj-core from 3.27.5 to 3.27.6 (#270)

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pom.xml

@@ -27,7 +27,7 @@
     <spring.framework.version>6.2.11</spring.framework.version>
     <hibernate.version>6.3.1.Final</hibernate.version>
     <hsqldb.version>2.7.4</hsqldb.version>
-    <assertj>3.27.5</assertj>
+    <assertj>3.27.6</assertj>
     <logback>1.5.18</logback>
     <junit.version>5.13.4</junit.version>
     <auto-service.version>1.1.1</auto-service.version>