Support Arduino >=3.x for custom network client

Author: moritz89

library.json

@@ -21,5 +21,5 @@
         "type": "git",
         "url": "https://github.com/Links2004/arduinoWebSockets.git"
     },
-    "version": "2.7.0"
+    "version": "2.7.1"
 }

src/WebSocketsNetworkClientSecure.h

@@ -24,7 +24,11 @@ class WebSocketsNetworkClientSecure : public WebSocketsNetworkClient {
     operator bool() override;
 
     void setCACert(const char * rootCA);
+#if ESP_ARDUINO_VERSION >= ESP_ARDUINO_VERSION_VAL(3, 0, 4)
+    void setCACertBundle(const uint8_t * bundle, size_t bundle_size);
+#else
     void setCACertBundle(const uint8_t * bundle);
+#endif
     void setInsecure();
     bool verify(const char * fingerprint, const char * domain_name);
 };