curl.patch: apply upstream patch [ci skip]

Ref:
curl/curl#18019
curl/curl@1055144
https://github.com/curl/curl/commit/1055144063ca5f8c67ae6b7d727f76c9bdad88ba.diff

To fix:
```
/home/appveyor/projects/curl-for-win/curl/lib/vquic/curl_ngtcp2.c:836:1:
warning: missing field 'begin_path_validation' initializer [-Wmissing-field-initializers]
  836 | };
      | ^
/home/appveyor/projects/curl-for-win/curl/lib/vquic/curl_ngtcp2.c:1186:1:
warning: missing field 'recv_origin' initializer [-Wmissing-field-initializers]
 1186 | };
      | ^
2 warnings generated.
```
Ref: https://ci.appveyor.com/project/curlorg/curl-for-win/builds/52462852#L14821

Author: vszakats

curl.patch

@@ -11,3 +11,31 @@ index 2ceca242b651..8268d0a1a3c6 100644
  #if defined(_WIN32) && !defined(CURL_WINDOWS_UWP) && !defined(UNDER_CE)
      rc = recv(per->infd, buffer, curlx_uztosi(sz * nmemb), 0);
      if(rc < 0) {
+diff --git a/lib/vquic/curl_ngtcp2.c b/lib/vquic/curl_ngtcp2.c
+index 2cda65aa03f1..052f280afc15 100644
+--- a/lib/vquic/curl_ngtcp2.c
++++ b/lib/vquic/curl_ngtcp2.c
+@@ -833,6 +833,9 @@ static ngtcp2_callbacks ng_callbacks = {
+   cb_recv_rx_key,
+   NULL, /* recv_tx_key */
+   NULL, /* early_data_rejected */
++#ifdef NGTCP2_CALLBACKS_V2
++  NULL, /* begin_path_validation */
++#endif
+ };
+ 
+ #if defined(_MSC_VER) && defined(_DLL)
+@@ -1182,7 +1185,12 @@ static nghttp3_callbacks ngh3_callbacks = {
+   NULL, /* end_stream */
+   cb_h3_reset_stream,
+   NULL, /* shutdown */
+-  NULL /* recv_settings */
++  NULL, /* recv_settings */
++#ifdef NGHTTP3_CALLBACKS_V2
++  NULL, /* recv_origin */
++  NULL, /* end_origin */
++  NULL, /* rand */
++#endif
+ };
+ 
+ static CURLcode init_ngh3_conn(struct Curl_cfilter *cf,