Add Vary Accept-Language header (#108)

Add support Laravel 11 and PHPUnit 10 (#107)

* Bump PHPUnit dependencies
* Ignore PHPUnit cache folder
* Adopt PHP attributes in test classes
* Add return types to test methods
* Define test classes as `final`
* Update .gitignore
* Support only Laravel 10 and newer
* Migrate PHPUnit XML
* Add instructions to upgrade to Laravel 11
* Add Laravel 11 middleware instructions to README

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Co-authored-by: Shift <shift@laravelshift.com>

Do not override global config when setting scoped options (#104)

Call getRouteKey() instead of accessing the key directly

Allow $slug parameter to be null in LocaleConfig (#97)

Slug on findLocaleBySlug can be null

Handle duplicate route and query string parameter keys

Register facade with Composer (#94)

Properly restore locale after catching RouteNotFoundException (#88)

Partially fixes (#58)

Add localized redirect methods

Properly restore locale after catching RouteNotFoundException (#89)