Update dependency org.codehaus.mojo:flatten-maven-plugin to v1.4.1
diff --git a/jgvariant-parent/pom.xml b/jgvariant-parent/pom.xml
index f1fe003..85d7485 100644
--- a/jgvariant-parent/pom.xml
+++ b/jgvariant-parent/pom.xml
@@ -57,7 +57,7 @@
 
     <compiler-plugin.version>3.11.0</compiler-plugin.version>
     <failsafe-plugin.version>${surefire-plugin.version}</failsafe-plugin.version>
-    <flatten-plugin.version>1.4.0</flatten-plugin.version>
+    <flatten-plugin.version>1.4.1</flatten-plugin.version>
     <jar-plugin.version>3.3.0</jar-plugin.version>
     <maven-scm-plugin.version>2.0.0</maven-scm-plugin.version>
     <maven-gpg-plugin.version>3.0.1</maven-gpg-plugin.version>