fix(@internationalized/date): Fix zoned date time regex to allow decimals

[jussirantala]

Closes #7539

✅ Pull Request Checklist:

• Included link to corresponding React Spectrum GitHub Issue.
• Added/updated unit tests and storybook for this change (for new code or code which already has tests).
• Filled out test instructions.
• Updated documentation (if it already exists for this component).
• Looked at the Accessibility Practices for this feature - Aria Practices

📝 Test Instructions:

https://regex101.com/r/fWaITH/1

[LFDanLu]

Thanks, the regex looks good to me, mind adding a test and signing the CLA? The test could be making sure the example zoned time in the original issue works when converted to a string and parsed back.

[jussirantala]

Thanks, the regex looks good to me, mind adding a test and signing the CLA? The test could be making sure the example zoned time in the original issue works when converted to a string and parsed back.

Hey, sorry we started to use a workaround and I have no motivation to continue with this. Feel free to pick the commit and create your own PR.

[LFDanLu]

No problem, thanks for the help!