Bleach 6 update (#4610)

* Update bleach requirement from ==5.0.* to ==6.2.*

Updates the requirements on [bleach](https://github.com/mozilla/bleach) to permit the latest version.
- [Changelog](https://github.com/mozilla/bleach/blob/main/CHANGES)
- [Commits](https://github.com/mozilla/bleach/compare/v5.0.0...v6.2.0)

---
updated-dependencies:
- dependency-name: bleach
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update bleach parameter types

* Fix tests

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/pretix/base/settings.py

@@ -550,7 +550,7 @@ DEFAULTS = {
         'serializer_class': serializers.BooleanField,
         'type': bool,
         'form_kwargs': dict(
-            label=_("Require a business addresses"),
+            label=_("Require a business address"),
             help_text=_('This will require users to enter a company name.'),
             widget=forms.CheckboxInput(attrs={'data-checkbox-dependency': '#id_invoice_address_required'}),
         )