Upgrade dependencies, including Electron 29.1.5.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

app/renderer/js/main.ts

@@ -730,7 +730,7 @@ export class ServerManagerView {
 
     await tab.destroy();
 
-    delete this.tabs[index];
+    delete this.tabs[index]; // eslint-disable-line @typescript-eslint/no-array-delete
     this.functionalTabs.delete(name);
 
     // Issue #188: If the functional tab was not focused, do not activate another tab.

app/renderer/js/pages/preference/base-section.ts

@@ -29,8 +29,7 @@ export function generateOptionHtml(
   disabled?: boolean,
 ): Html {
   const labelHtml = disabled
-    ? // eslint-disable-next-line unicorn/template-indent
-      html`<label
+    ? html`<label
         class="disallowed"
         title="Setting locked by system administrator."
       ></label>`

app/renderer/js/pages/preference/preference.ts

@@ -88,10 +88,6 @@ export class PreferenceView {
         });
         break;
       }
-
-      default: {
-        ((n: never) => n)(navigationItem);
-      }
     }
 
     window.location.hash = `#${navigationItem}`;