Merge remote-tracking branch 'origin/HH-46704' into EXP-12719
release 2.21.14 [an.sumin@hh.ru]
HH-47619 use SimpleCookie instead of SilentCookie
Merge remote-tracking branch 'origin/HH-47619' into EXP-12733
release 2.21.15 [an.sumin@hh.ru]
HH-47330 add error_callback kwarg to HTTP client methods
HH-47330 add xsl syntax error test