[GIT-PULLS] [php-src] PR #22828: ext/intl: Fix various error messages

Pull Request: https://github.com/php/php-src/pull/22828
Author: LamentXU123

```
object has an time zone offset that's too large
```
to
```
object has a time zone offset that is too large
```

```
must be a a valid normalization form
```
to
```
must be a valid normalization form
```