Wrap Pressable with forwardRef (#3431)

## Description

This PR wraps `Pressable` component with `forwardRef` such that `NativeButton` can be accessible via `ref`.

Fixes #3427

## Test plan

<details>
<summary>Tested on the following code:</summary>

```jsx
import React, { useEffect } from 'react';
import { StyleSheet, View } from 'react-native';
import { Pressable } from 'react-native-gesture-handler';

export default function EmptyExample() {
  const pressableRef = React.useRef(null);

  useEffect(() => {
    console.log(pressableRef);
  }, []);

  return (
    <View style={styles.container}>
      <Pressable
        ref={pressableRef}
        onPress={() => console.log('click')}
        style={{ width: 100, height: 100, backgroundColor: 'crimson' }}
      />
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
});
```

</details>

Author: m-bert