Fix accessibilityActions accessors (#25134)

Summary:
The accessibilityActions accessors  in UIView+React.m are not aligned with the property declaration in the header file.

## Changelog

[General] [Fixed] - Fix accessibilityActions accessors
Pull Request resolved: https://github.com/facebook/react-native/pull/25134

Differential Revision: D15621848

Pulled By: cpojer

fbshipit-source-id: f344689292ae7988e46d0d4263980306d364366b

React/Views/UIView+React.m

@@ -297,12 +297,12 @@
   return self;
 }
 
-- (NSArray<NSString *> *)accessibilityActions
+- (NSArray<NSDictionary *> *)accessibilityActions
 {
   return objc_getAssociatedObject(self, _cmd);
 }
 
-- (void)setAccessibilityActions:(NSArray<NSString *> *)accessibilityActions
+- (void)setAccessibilityActions:(NSArray<NSDictionary *> *)accessibilityActions
 {
   objc_setAssociatedObject(self, @selector(accessibilityActions), accessibilityActions, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
 }