Hourly forecast hours don't update when switching clock between 12 and 24-hr

[lfroms]

Describe the bug
When switching between a 12-hour and 24-hour clock on an iOS device, the hour labels in the hourly forecast don't update until they are re-rendered (i.e. by tapping on them).

To Reproduce
Steps to reproduce the behavior:

1. Go to the Now screen.
2. Switch your device to use either 12 or 24-hour clock.
3. Return to the app.
4. See error.

Expected behavior
When the clock is changed, these labels should automatically re-render to reflect the changes.

Screenshots
If applicable, add screenshots to help explain your problem.

Smartphone (please complete the following information):

• Device: iPhone 11 Pro
• OS: iOS 13.5