Django-formset

* Fix: In widget `PhoneNumberInput`, the country lookup field did not behave es expected when
using the up- or down-arrow keys to navigate through the list of countries.
* In widget `PhoneNumberInput`, entering "0" into the search field now does not filter the list
of countries anymore. This is because country codes starting with "00" is not a valid E.164
format.

* Fix regression in widget `UploadedFileInput` introduced in 1.4: The Delete button did not work
for files added through the `initial` parameter.
* Prevent uploading files with unmatching accept attribute.
* In widget `PhoneNumberInput`, set focus on country lookup field after opening dropdown box with
international prefixes.

* Fix: `SlugInput` widget used an invalid `pattern` attribute in its input field.
* Removed `^…` and `…$` from all `pattern` attributes in all fields using regular expressions.
* Add delay on `reload()` handler to prevent early firing of restore.

* Fix 136: Submit button shows bummer symbol after okay symbol.
* Fix 132: The size of the input window does not change as the window size changes.

* Add support for form dialogs. They can be used standalone or to add complex extensions to the
Richtext editor.
* **Breaking change:** `controls.Link()` must be replaced by
`controls.DialogControl(SimpleLinkDialogForm())`. Check documentation for details.
* Add control element for footnotes to the Richtext editor.
* The ternary operator can be used in button actions to distinguish between two possible queues.
* The ``require`` attribute of input fields can be made conditional.
* The ``Selectize`` widget now passes the value to and from the underlying implementation.
* Activators can be added to ``Form`` and ``FormCollection`` classes. They allow the usage of
buttons as first class input fields.
* Add support for Django-5.0.

* Fix 125: IncompleteSelect can't handle collections with siblings.
* Fix 128: Boolean field shows label twice.
* In webcomponents, separate constructor from connectedCallback.
* Fix problem in `Selectize` widget when using `filter_by` with lazy loading.
* postcss-nested-include1.3 requires relative paths.
* Upgrade to `flyctl` version 0.2.28.