Java 17 (#1440)

![image](https://github.com/user-attachments/assets/d4e4226f-74b0-4ded-87b4-ac4bf2f1ac34)

JDK 11 References
https://github.com/search?q=org%3APhotonVision+jdk-11&type=code

JDK 17 References
https://github.com/search?q=org%3APhotonVision+jdk-17&type=code

TODO List (things we might need to update in other repos):
- []
ab5fa98d72/photonvision/src/modules/photonvision/start_chroot_script (L29)
- []
7f8d225445/stage2/01-sys-tweaks/00-packages (L34)
- []
ab5fa98d72/photonvision/src/modules/photonvision/install.sh (L11)
- []
a4e7ecb6e3/Makefile (L14)

Closes https://github.com/PhotonVision/photonvision/pull/1069

---------

Signed-off-by: Jade Turner <spacey-sooty@proton.me>
Co-authored-by: Jade <spacey-sooty@proton.me>

photon-server/src/main/java/org/photonvision/server/UIOutboundSubscriber.java

@@ -44,11 +44,9 @@ class UIOutboundSubscriber extends DataChangeSubscriber {
 
     @Override
     public void onDataChangeEvent(DataChangeEvent event) {
-        if (event instanceof OutgoingUIEvent) {
-            var thisEvent = (OutgoingUIEvent) event;
+        if (event instanceof OutgoingUIEvent thisEvent) {
             try {
-                if (event.data instanceof HashMap) {
-                    var data = (HashMap) event.data;
+                if (event.data instanceof HashMap data) {
                     socketHandler.broadcastMessage(data, thisEvent.originContext);
                 } else {
                     socketHandler.broadcastMessage(event.data, thisEvent.originContext);