Amend #4961, add missing .in files. (#4965)

Author: gchatelet

ortools/java/pom-full.xml.in

@@ -50,8 +50,8 @@
 
 <properties>
   <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-  <maven.compiler.source>1.8</maven.compiler.source>
-  <maven.compiler.target>1.8</maven.compiler.target>
+  <maven.compiler.source>21</maven.compiler.source>
+  <maven.compiler.target>21</maven.compiler.target>
 </properties>
 
 <dependencies>

ortools/java/pom-local.xml.in

@@ -50,8 +50,8 @@
 
 <properties>
   <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-  <maven.compiler.source>1.8</maven.compiler.source>
-  <maven.compiler.target>1.8</maven.compiler.target>
+  <maven.compiler.source>21</maven.compiler.source>
+  <maven.compiler.target>21</maven.compiler.target>
 </properties>
 
 <dependencies>

ortools/java/pom-native.xml.in

@@ -50,8 +50,8 @@
 
 <properties>
   <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-  <maven.compiler.source>1.8</maven.compiler.source>
-  <maven.compiler.target>1.8</maven.compiler.target>
+  <maven.compiler.source>21</maven.compiler.source>
+  <maven.compiler.target>21</maven.compiler.target>
 </properties>
 
 <build>

ortools/java/pom-sample.xml.in

@@ -51,8 +51,8 @@
 <properties>
   <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   <exec.mainClass>@JAVA_MAIN_CLASS@</exec.mainClass>
-  <maven.compiler.source>1.8</maven.compiler.source>
-  <maven.compiler.target>1.8</maven.compiler.target>
+  <maven.compiler.source>21</maven.compiler.source>
+  <maven.compiler.target>21</maven.compiler.target>
 </properties>
 
 <dependencies>

ortools/java/pom-test.xml.in

@@ -50,8 +50,8 @@
 
 <properties>
   <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-  <maven.compiler.source>1.8</maven.compiler.source>
-  <maven.compiler.target>1.8</maven.compiler.target>
+  <maven.compiler.source>21</maven.compiler.source>
+  <maven.compiler.target>21</maven.compiler.target>
 </properties>
 
 <dependencies>