symfony/ux-live-component: Strict RFC 3339 parsing for DateTimeInterface LiveProp without explicit format
When a `#[LiveProp]` is typed as `DateTimeInterface` and no explicit `format` is configured, `hydrateObjectValue()` now parses format-less date props strictly with `createFromFormat(DateTimeInterface::RFC3339, .
What changed
When a `#[LiveProp]` is typed as `DateTimeInterface` and no explicit `format` is configured, `hydrateObjectValue()` now parses format-less date props strictly with `createFromFormat(DateTimeInterface::RFC3339, ...)`, rejecting inputs that aren't valid RFC 3339.
Who it affects
Applications using Symfony UX Live Component with `#[LiveProp]` typed as `DateTimeInterface` without an explicit `format`.
What to do today
Update to the patched version (commit d24d78fda6df2d5964312255943ebf3a217b79a2 for 2.x, forward-ported to 3.x) to prevent client-side manipulation of date props.