ext/curl: Refactor cURL to only use FCC (#13291)

* ext/curl: Convert handlers.progress to just be a FCC

* ext/curl: Convert handlers.sshhostkey to just be a FCC

* ext/curl:

ext/curl: Refactor cURL to only use FCC (#13291)

* ext/curl: Convert handlers.progress to just be a FCC

* ext/curl: Convert handlers.sshhostkey to just be a FCC

* ext/curl: Convert handlers.xferinfo to just be a FCC

* ext/curl: Convert handlers.fnmatch to just be a FCC

* ext/curl: Convert handlers.server_push to just be a FCC

* ext/curl: Convert php_curl_write to just use FCC without a function name zval

* ext/curl: Convert php_curl_read to just use FCC without a function name zval

* ext/curl: Remove workaround for old libcurl

* ext/curl: Create macros to codegen the handling of callable options

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