Update dependency electron to v22 (#480)

* Update dependency electron to v22

* Switch from new-window event to setWindowOpenHandler

* Stop recommending libappindicator3-1, Electron 22 stops using it

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

src/webcontents-handler.ts

@@ -263,7 +263,11 @@ ipcMain.on('userDownloadAction', function(ev: IpcMainEvent, { id, open = false }
 });
 
 export default (webContents: WebContents): void => {
-    webContents.on('new-window', onWindowOrNavigate);
+    webContents.setWindowOpenHandler((details) => {
+        safeOpenURL(details.url);
+        return { action: "deny" };
+    });
+
     webContents.on('will-navigate', (ev: Event, target: string): void => {
         if (target.startsWith("vector://")) return;
         return onWindowOrNavigate(ev, target);