Require Java 17 or newer

Jenkins 2.463 requires Java 17 and the Jenkins LTS 30 Oct 2024 will
require Java 17.

Author: MarkEWaite

pom.xml

@@ -26,7 +26,7 @@
           <artifactId>maven-compiler-plugin</artifactId>
           <version>3.13.0</version>
           <configuration>
-            <release>11</release>
+            <release>17</release>
           </configuration>
         </plugin>
       </plugins>
@@ -63,7 +63,7 @@
                   <version>[3.8.6,)</version>
                 </requireMavenVersion>
                 <requireJavaVersion>
-                  <version>[11,)</version>
+                  <version>[17,)</version>
                 </requireJavaVersion>
               </rules>
             </configuration>