update github actions to arduino-cli for build tests

src/SocketIOclient.h

@@ -61,7 +61,7 @@ class SocketIOclient : protected WebSocketsClient {
 #endif
 #endif
     bool isConnected(void);
-    
+
     void onEvent(SocketIOclientEvent cbEvent);
     void disconnect(void);
 

src/WebSockets.cpp

@@ -571,7 +571,7 @@ String WebSockets::acceptKey(String & clientKey) {
  */
 String WebSockets::base64_encode(uint8_t * data, size_t length) {
     size_t size   = ((length * 1.6f) + 1);
-    size = std::max(size, (size_t) 5); //minimum buffer size
+    size          = std::max(size, (size_t)5);    // minimum buffer size
     char * buffer = (char *)malloc(size);
     if(buffer) {
         base64_encodestate _state;