createUIDefinition.json uses outdated syntax

> Please provide us with the following information:
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### This issue is for a: (mark with an `x`)
```
- [x] bug report -> please search issues before submitting
- [ ] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)
```

### Minimal steps to reproduce
> Check any constraints section of any TextBox in any createUIDefinition.json file in this repo and compare it to https://learn.microsoft.com/en-us/azure/azure-resource-manager/managed-applications/microsoft-common-textbox. However, in the sandbox the outdated syntax still renders and validates correctly.

### Any log messages given by the failure
>

### Expected/desired behavior
> The examples should use the same syntax as documented at https://learn.microsoft.com/en-us/azure/azure-resource-manager/managed-applications/microsoft-common-textbox

### OS and Version?
> Windows 10

### Versions
> latest (07.02.2024)

### Mention any other details that might be useful

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