fix: Changes EventScheduler API so it is more explicit (#2164)

### Summary

Refactors ScheduledEvent and EventScheduler API to use TimeOnly so recurrence offset is explicit.

API:

```cs
public ScheduledEvent(
    DateTime startAfter,
    DateTime endOn,
    TimeOnly time,
    IRecurrencePattern recurrence,
    TimeZoneInfo timeZone = null
)
```

Example:
```cs
// Schedule a daily event at 8:00 AM UTC
EventScheduler.DailyAt(
    new DateTime(2024, 6, 1, 8, 0, 0, DateTimeKind.Utc),
    () => Console.WriteLine("Daily event triggered!")
);

// Schedule a custom recurring event at 3:30 PM UTC every Monday
var recurrence = new WeeklyRecurrencePattern(1, DaysOfWeek.Monday);
EventScheduler.Shared.ScheduleEvent(
    DateTime.UtcNow,
    new TimeOnly(15, 30),
    () => Console.WriteLine("Weekly Monday event!"),
    recurrence
);
```

.github/workflows/code_quality.yml

@@ -19,6 +19,6 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha }}  # to check out the actual pull request commit, not the merge commit
           fetch-depth: 0  # a full history is required for pull request analysis
       - name: 'Qodana Scan'
-        uses: JetBrains/qodana-action@v2024.1
+        uses: JetBrains/qodana-action@v2025.1
         env:
           QODANA_TOKEN: ${{ secrets.QODANA_TOKEN }}