chore(deps): update dependency org.codehaus.mojo:flatten-maven-plugin to v1.8.0 (#461)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -23,7 +23,7 @@
         <maven-gpg-plugin.version>3.2.8</maven-gpg-plugin.version>
         <maven-enforcer-plugin.version>3.6.3</maven-enforcer-plugin.version>
         <central-publishing-maven-plugin.version>0.11.0</central-publishing-maven-plugin.version>
-        <flatten-maven-plugin.version>1.7.3</flatten-maven-plugin.version>
+        <flatten-maven-plugin.version>1.8.0</flatten-maven-plugin.version>
         <compiler-maven-plugin.version>3.15.0</compiler-maven-plugin.version>
         <testcontainers-keycloak.version>4.3.1</testcontainers-keycloak.version>
         <rest-assured.version>6.0.1</rest-assured.version>