Add ubuntu 25.04

platforms.json

@@ -222,7 +222,24 @@
         "install_instructions": "debian_new"
       }
     },
-	
+    
+    "Ubuntu 25.04": {
+      "codename": "plucky",
+      "docker": {
+        "directory": "linux_desktop",
+        "image_basename": "ubuntu25.04",
+        "build_options": {
+          "image_from": "ubuntu:25.04",
+          "image_prepare_script": "install_apt.sh",
+          "QT_FROM_SOURCE": false
+        }
+      },
+      "ppa": {
+        "filters": ["ubuntu25.04"],
+        "install_instructions": "debian_new"
+      }
+    },
+
     "Debian 11 armhf": {
       "codename": "bullseye",
       "docker": {