Merge pull request #1274 from gounthar/chore/jdk21-compiler-target

Update compiler target from JDK 17 to JDK 21

Author: gounthar

pom.xml

@@ -26,7 +26,7 @@
           <artifactId>maven-compiler-plugin</artifactId>
           <version>3.14.1</version>
           <configuration>
-            <release>17</release>
+            <release>21</release>
           </configuration>
         </plugin>
       </plugins>