The patch updates curl module to the version 8.3.0 [1] and updates a
CMake module for building curl library.

Changes in CMake module:

- Option `CURL_STATICLIB` is gone and replaced with `BUILD_STATIC_LIBS`.
- Option `CURL_USE_GNUTLS` was added and disabled by default.
- NSS library support was removed and option `CURL_USE_NSS` has been
  removed as well.
- Option `CMAKE_UNITY_BUILD` was added and disabled by default.
- Option `CURL_DISABLE_FORM_API` was added and disabled by default. It is
  in fact depends on `CURL_DISABLE_MIME`, but anyway disabled explicitly.

Changelog: https://curl.se/changes.html#8_3_0

1. https://github.com/curl/curl/releases/tag/curl-8_3_0

NO_DOC=libcurl submodule bump
NO_TEST=libcurl submodule bump

Fixes #9086