feat: bump eslint & oxlint (#14452)

#### PR Dependency Tree


* **PR #14452** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Bug Fixes**
* Improved null-safety, dependency tracking, upload validation, and
error logging for more reliable uploads, clipboard, calendar linking,
telemetry, PDF/theme printing, and preview/zoom behavior.
* Tightened handling of all-day calendar events (missing date now
reported).

* **Deprecations**
  * Removed deprecated RadioButton and RadioButtonGroup; use RadioGroup.

* **Chores**
* Unified and upgraded linting/config, reorganized imports, and
standardized binary handling for more consistent builds and tooling.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/backend/server/src/plugins/oauth/providers/apple.ts

@@ -132,10 +132,11 @@ export class AppleOAuthProvider extends OAuthProvider {
       { method: 'GET' },
       { treatServerErrorAsInvalid: true }
     );
+    const idToken = tokens.idToken;
 
     const payload = await new Promise<JwtPayload>((resolve, reject) => {
       jwt.verify(
-        tokens.idToken!,
+        idToken,
         (header, callback) => {
           const key = keys.find(key => key.kid === header.kid);
           if (!key) {