- update to 7.45.2:
* Python 3.9 compatibility for Py_TRASHCAN_SAFE_BEGIN
* Add support for CURL_HTTP_VERSION_3
* Add CURLOPT_TLS13_CIPHERS and CURLOPT_PROXY_TLS13_CIPHERS options
* Added HTTP09_ALLOWED option
* Removed use of distutils
- Update to 7.45.1:
* Fixed build against libcurl < 7.64.1 (patch by Scott Talbert).
* Add CURLOPT_MAXLIFETIME_CONN (patch by fsbs).
* Easy handle duplication support (patch by fsbs).
* Support for unsetting a number of multi options (patch by fsbs).
* pycurl classes can now be subclassed (patch by fsbs).
* Multi callbacks' thread state management fixed (patch by fsbs).
* Add CURL_LOCK_DATA_PSL (patch by fsbs).
* Add support for SecureTransport SSL backend (MacOS)
(patch by Scott Talbert).
* Fixed Python thread initialization causing hangs on operations
(patch by Scott Talbert).
* getinfo(CURLINFO_FTP_ENTRY_PATH) now handles NULL return from
libcurl, returning None in this case.
* Python 3.9 is now officially supported (patch by Bill Collins).
* Added CURLOPT_DOH_URL (patch by resokou).
* Best effort Python 2 support has been reinstated.
* Added missing fields to curl_version_info struct (patch by Hasan).
* Added CURLINFO_CONDITION_UNMET (patch by Dima Tisnek).
* Exposed MAX_CONCURRENT_STREAMS in CurlMulti (patch by Alexandre Pion).
* Compilation fixed against Python 3.10 alpha (patch by Kamil Dudka).
- update to 7.43.0.6:
* Fixed offset parameter usage in seek callback
* Added support for libcurl SSL backend detection via