v4.5.0

• Update to Serenata 4.3.0
• Fix Cannot read property 'dispose' of null at LinterProvider.deactivate (thanks to @chuhta)
• Fix deprecated structural elements no longer having any visible style reflecting it during autocompletion
• Fix refactoring actions proposing incorrect class members when inside an anonymous class that was inside another class
• Update use statement sorting logic to match bugfix in core
• Update Composer used for server installation to 1.7.2