(quick) fix encoding

formsolutions-adapter/pom.xml

@@ -24,7 +24,9 @@
     unter der Lizenz sind dem Lizenztext zu entnehmen.
 
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 
 	<parent>
@@ -39,7 +41,8 @@
 	<packaging>jar</packaging>
 
 	<properties>
-		<spring-boot.build-image.imageName>docker.ozg-sh.de/formsolutions-adapter:build-latest</spring-boot.build-image.imageName>
+		<spring-boot.build-image.imageName>
+			docker.ozg-sh.de/formsolutions-adapter:build-latest</spring-boot.build-image.imageName>
 	</properties>
 
 	<dependencies>
@@ -183,6 +186,16 @@
 			<plugin>
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-maven-plugin</artifactId>
+				<configuration>
+					<image>
+						<!-- cann be removed when using common lib > 2.3.2-->
+						<builder>paketobuildpacks/builder-jammy-base</builder>
+						<env>
+							<BPE_DELIM_JAVA_TOOL_OPTIONS xml:space="preserve"> </BPE_DELIM_JAVA_TOOL_OPTIONS>
+							<BPE_APPEND_JAVA_TOOL_OPTIONS>-Dfile.encoding=UTF-8</BPE_APPEND_JAVA_TOOL_OPTIONS>
+						</env>
+					</image>
+				</configuration>
 			</plugin>
 
 			<plugin>