fix: add @typescript-eslint/no-floating-promises rule (#2764)

Co-authored-by: himself65 <himself65@outlook.com>

apps/electron/src/preload/bootstrap.ts

@@ -50,4 +50,6 @@ import { contextBridge, ipcRenderer } from 'electron';
   } catch (error) {
     console.error('Failed to expose affine APIs to window object!', error);
   }
-})();
+})().catch(err => {
+  console.error('Failed to bootstrap preload script!', err);
+});