https_request example: Perform request over HTTP/1.1 to enable keepalive timeout
Closes:
static const char *TAG = "example";
-static const char *REQUEST = "GET " WEB_URL " HTTP/1.0\r\n"
+static const char *REQUEST = "GET " WEB_URL " HTTP/1.1\r\n"
"Host: "WEB_SERVER"\r\n"
"User-Agent: esp-idf/1.0 esp32\r\n"
"\r\n";
