chore(deps): update dependency org.codehaus.mojo:flatten-maven-plugin…

… to v1.6.0

pom.xml

@@ -23,7 +23,7 @@
         <maven-gpg-plugin.version>3.1.0</maven-gpg-plugin.version>
         <maven-enforcer-plugin.version>3.4.1</maven-enforcer-plugin.version>
         <nexus-staging-maven-plugin.version>1.6.13</nexus-staging-maven-plugin.version>
-        <flatten-maven-plugin.version>1.5.0</flatten-maven-plugin.version>
+        <flatten-maven-plugin.version>1.6.0</flatten-maven-plugin.version>
         <compiler-maven-plugin.version>3.12.1</compiler-maven-plugin.version>
         <testcontainers-keycloak.version>3.2.0</testcontainers-keycloak.version>
         <rest-assured.version>5.3.2</rest-assured.version>