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

… to v1.2.7 (#1686)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

pom.xml

@@ -64,7 +64,7 @@
         <jacoco-maven-plugin.version>0.8.6</jacoco-maven-plugin.version>
         <asciidoctor-maven-plugin.version>2.1.0</asciidoctor-maven-plugin.version>
         <git-commit-id-plugin.version>4.0.3</git-commit-id-plugin.version>
-        <flatten-maven-plugin.version>1.2.5</flatten-maven-plugin.version>
+        <flatten-maven-plugin.version>1.2.7</flatten-maven-plugin.version>
         <maven-checkstyle-plugin.version>3.1.2</maven-checkstyle-plugin.version>
         <checkstyle.version>8.40</checkstyle.version>
         <spring-javaformat-checkstyle.version>0.0.27</spring-javaformat-checkstyle.version>