v2.5.0

• [controller] add missing use statements to stub (#191) (@andyexeter)
• Add FileLocator::locate stub and test (#192) (@andyexeter)
• [container] prevent service subscribers overwriting already known service definitions (#194) (@bendavies)
• [console] option are always nullable when value is optional (#196) (@VincentLanglet)
• Support psalm 4.9 (#198) (@seferov)
• [form] FormConfigBuilderInterface stub update #197 (@zmitic)