build(electron): update flatpak config to latest base

previously it was defaulting to an EOL version of the Platform/SDK

Explicitly setting it to 24.08 however makes the build fail, because it defaults to using an outdated "zypak" module, so we need to explicitly mention the latest version here too

forge.config.cjs

@@ -65,6 +65,21 @@ module.exports = {
                 options: {
                     icon: "./images/app-icons/png/128x128.png",
                     desktopTemplate: path.resolve("./bin/electron-forge/desktop.ejs"),
+                    id: "com.github.triliumnext.notes",
+                    runtimeVersion: "24.08",
+                    base: "org.electronjs.Electron2.BaseApp",
+                    baseVersion: "24.08",
+                    baseFlatpakref: "https://flathub.org/repo/flathub.flatpakrepo",
+                    modules: [
+                        {
+                            name: "zypak",
+                            sources: {
+                                type: "git",
+                                url: "https://github.com/refi64/zypak",
+                                tag: "v2024.01.17"
+                            }
+                        }
+                    ]
                 },
             }
         },