Use --release=17 for Maven projects

Author: marcphilipp

junit-jupiter-starter-maven-kotlin/pom.xml

@@ -11,8 +11,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<kotlin.version>2.2.20</kotlin.version>
-		<maven.compiler.source>1.8</maven.compiler.source>
-		<maven.compiler.target>${maven.compiler.source}</maven.compiler.target>
+		<maven.compiler.release>17</maven.compiler.release>
 	</properties>
 
 	<dependencyManagement>

junit-jupiter-starter-maven/pom.xml

@@ -9,8 +9,7 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<maven.compiler.source>1.8</maven.compiler.source>
-		<maven.compiler.target>${maven.compiler.source}</maven.compiler.target>
+		<maven.compiler.release>17</maven.compiler.release>
 	</properties>
 
 	<dependencyManagement>

junit-migration-maven/pom.xml

@@ -9,8 +9,7 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<maven.compiler.source>1.8</maven.compiler.source>
-		<maven.compiler.target>${maven.compiler.source}</maven.compiler.target>
+		<maven.compiler.release>17</maven.compiler.release>
 		<junit.version>4.13.2</junit.version>
 	</properties>