[fix] adapter for swift 5.7

Author: ShenYj

Sources/RxWebKit/WKNavigationDelegateEvents+Rx.swift

@@ -257,8 +257,13 @@ extension Selector {
     /// Ambiguous use of 'webView(_:decidePolicyFor:decisionHandler:)'
     /// please see this link for further understanding
     /// https://bugs.swift.org/browse/SR-3062
+#if swift(>=5.7)
+    static let decidePolicyNavigationResponse = #selector(WKNavigationDelegate.webView(_:decidePolicyFor:decisionHandler:) as (WKNavigationDelegate) -> ((WKWebView, WKNavigationResponse, @escaping(WKNavigationResponsePolicy) -> Void) -> Void)?)
+    static let decidePolicyNavigationAction = #selector(WKNavigationDelegate.webView(_:decidePolicyFor:decisionHandler:) as (WKNavigationDelegate) -> ((WKWebView, WKNavigationAction, @escaping (WKNavigationActionPolicy) -> Void) -> Void)?)
+#else
     static let decidePolicyNavigationResponse = #selector(WKNavigationDelegate.webView(_:decidePolicyFor:decisionHandler:) as ((WKNavigationDelegate) -> (WKWebView, WKNavigationResponse, @escaping(WKNavigationResponsePolicy) -> Void) -> Void)?)
     static let decidePolicyNavigationAction = #selector(WKNavigationDelegate.webView(_:decidePolicyFor:decisionHandler:) as ((WKNavigationDelegate) -> (WKWebView, WKNavigationAction, @escaping(WKNavigationActionPolicy) -> Void) -> Void)?)
+#endif
 }